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68370576 = 24310313829
BaseRepresentation
bin1000001001101…
…00000010010000
311202122120210120
410010310002100
5120000324301
610441230240
71460066061
oct404640220
9152576716
1068370576
113565890a
121aa92380
131121ac81
14911a568
156007e36
hex4134090

68370576 has 40 divisors (see below), whose sum is σ = 178351680. Its totient is φ = 22567296.

The previous prime is 68370563. The next prime is 68370581. The reversal of 68370576 is 67507386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1971 + ... + 11858.

It is an arithmetic number, because the mean of its divisors is an integer number (4458792).

Almost surely, 268370576 is an apocalyptic number.

It is an amenable number.

68370576 is an abundant number, since it is smaller than the sum of its proper divisors (109981104).

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

68370576 is a wasteful number, since it uses less digits than its factorization.

68370576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13943 (or 13937 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 68370576 is about 8268.6501921414. The cubic root of 68370576 is about 408.9056200271.

The spelling of 68370576 in words is "sixty-eight million, three hundred seventy thousand, five hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 16 24 48 103 206 309 412 618 824 1236 1648 2472 4944 13829 27658 41487 55316 82974 110632 165948 221264 331896 663792 1424387 2848774 4273161 5697548 8546322 11395096 17092644 22790192 34185288 68370576