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68475024 = 2433158507
BaseRepresentation
bin1000001010011…
…01100010010000
311202211220002000
410011031202100
5120012200044
610443354000
71461012432
oct405154220
9152756060
1068475024
113571a332
121ab22900
1311256687
149146652
156028d69
hex414d890

68475024 has 40 divisors (see below), whose sum is σ = 196549920. Its totient is φ = 22824864.

The previous prime is 68475013. The next prime is 68475041. The reversal of 68475024 is 42057486.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68475024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78822 + ... + 79685.

It is an arithmetic number, because the mean of its divisors is an integer number (4913748).

Almost surely, 268475024 is an apocalyptic number.

It is an amenable number.

68475024 is an abundant number, since it is smaller than the sum of its proper divisors (128074896).

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

68475024 is a wasteful number, since it uses less digits than its factorization.

68475024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158524 (or 158512 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 68475024 is about 8274.9636857209. The cubic root of 68475024 is about 409.1137390087.

The spelling of 68475024 in words is "sixty-eight million, four hundred seventy-five thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 158507 317014 475521 634028 951042 1268056 1426563 1902084 2536112 2853126 3804168 4279689 5706252 7608336 8559378 11412504 17118756 22825008 34237512 68475024