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142534700 = 2252711107173
BaseRepresentation
bin10000111111011…
…10100000101100
3100221012111211222
420133232200230
5242442102300
622051002512
73350345030
oct1037564054
9327174758
10142534700
1173503480
123b899438
13236b6c79
1414d041c0
15c7a7785
hex87ee82c

142534700 has 144 divisors (see below), whose sum is σ = 391474944. Its totient is φ = 43756800.

The previous prime is 142534669. The next prime is 142534757. The reversal of 142534700 is 7435241.

142534700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1425347002 = 40632281408180000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142534700.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 823814 + ... + 823986.

It is an arithmetic number, because the mean of its divisors is an integer number (2718576).

Almost surely, 2142534700 is an apocalyptic number.

142534700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142534700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195737472).

142534700 is an abundant number, since it is smaller than the sum of its proper divisors (248940244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142534700 is a wasteful number, since it uses less digits than its factorization.

142534700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 305 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 142534700 is about 11938.7897209055. The cubic root of 142534700 is about 522.3643566303.

Adding to 142534700 its reverse (7435241), we get a palindrome (149969941).

The spelling of 142534700 in words is "one hundred forty-two million, five hundred thirty-four thousand, seven hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 50 55 70 77 100 107 110 140 154 173 175 214 220 275 308 346 350 385 428 535 550 692 700 749 770 865 1070 1100 1177 1211 1498 1540 1730 1903 1925 2140 2354 2422 2675 2996 3460 3745 3806 3850 4325 4708 4844 5350 5885 6055 7490 7612 7700 8239 8650 9515 10700 11770 12110 13321 14980 16478 17300 18511 18725 19030 23540 24220 26642 29425 30275 32956 37022 37450 38060 41195 47575 53284 58850 60550 66605 74044 74900 82390 92555 95150 117700 121100 129577 133210 164780 185110 190300 203621 205975 259154 266420 333025 370220 407242 411950 462775 518308 647885 666050 814484 823900 925550 1018105 1295770 1332100 1425347 1851100 2036210 2591540 2850694 3239425 4072420 5090525 5701388 6478850 7126735 10181050 12957700 14253470 20362100 28506940 35633675 71267350 142534700