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142351000 = 23531112941
BaseRepresentation
bin10000111110000…
…01101010011000
3100220212011212021
420133001222120
5242420213000
622043024224
73345651331
oct1037015230
9326764767
10142351000
1173398460
123b80b074
132365147c
1414c97288
15c76d11a
hex87c1a98

142351000 has 64 divisors (see below), whose sum is σ = 363411360. Its totient is φ = 51760000.

The previous prime is 142350991. The next prime is 142351007. The reversal of 142351000 is 153241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142351007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4530 + ... + 17470.

Almost surely, 2142351000 is an apocalyptic number.

142351000 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 142351000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181705680).

142351000 is an abundant number, since it is smaller than the sum of its proper divisors (221060360).

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

142351000 is a wasteful number, since it uses less digits than its factorization.

142351000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12973 (or 12959 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 142351000 is about 11931.0938308271. The cubic root of 142351000 is about 522.1398508647.

The spelling of 142351000 in words is "one hundred forty-two million, three hundred fifty-one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 12941 25882 51764 64705 103528 129410 142351 258820 284702 323525 517640 569404 647050 711755 1138808 1294100 1423510 1617625 2588200 2847020 3235250 3558775 5694040 6470500 7117550 12941000 14235100 17793875 28470200 35587750 71175500 142351000