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142321300 = 2252111091187
BaseRepresentation
bin10000111101110…
…10011010010100
3100220210200010021
420132322122110
5242413240200
622042234524
73345465622
oct1036723224
9326720107
10142321300
1173378110
123b7b5a44
1323640ab4
1414c8a512
15c76441a
hex87ba694

142321300 has 72 divisors (see below), whose sum is σ = 340290720. Its totient is φ = 51235200.

The previous prime is 142321273. The next prime is 142321301. The reversal of 142321300 is 3123241.

It is a happy number.

142321300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142321301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119307 + ... + 120493.

It is an arithmetic number, because the mean of its divisors is an integer number (4726260).

Almost surely, 2142321300 is an apocalyptic number.

142321300 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 142321300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170145360).

142321300 is an abundant number, since it is smaller than the sum of its proper divisors (197969420).

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

142321300 is a wasteful number, since it uses less digits than its factorization.

142321300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321 (or 1314 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142321300 is about 11929.8491189118. The cubic root of 142321300 is about 522.1035353905.

Adding to 142321300 its reverse (3123241), we get a palindrome (145444541).

The spelling of 142321300 in words is "one hundred forty-two million, three hundred twenty-one thousand, three hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 109 110 218 220 275 436 545 550 1090 1100 1187 1199 2180 2374 2398 2725 4748 4796 5450 5935 5995 10900 11870 11990 13057 23740 23980 26114 29675 29975 52228 59350 59950 65285 118700 119900 129383 130570 258766 261140 326425 517532 646915 652850 1293830 1305700 1423213 2587660 2846426 3234575 5692852 6469150 7116065 12938300 14232130 28464260 35580325 71160650 142321300