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68057464 = 239199257
BaseRepresentation
bin1000000111001…
…11100101111000
311202001200021211
410003213211320
5114410314324
610430412504
71454323156
oct403474570
9152050254
1068057464
1135464642
121a961134
131113b5b7
1490783d6
155e95294
hex40e7978

68057464 has 16 divisors (see below), whose sum is σ = 127760400. Its totient is φ = 33988032.

The previous prime is 68057453. The next prime is 68057471. The reversal of 68057464 is 46475086.

It is a super-2 number, since 2×680574642 = 9263636812222592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2724 + ... + 11980.

It is an arithmetic number, because the mean of its divisors is an integer number (7985025).

Almost surely, 268057464 is an apocalyptic number.

It is an amenable number.

68057464 is a deficient number, since it is larger than the sum of its proper divisors (59702936).

68057464 is a wasteful number, since it uses less digits than its factorization.

68057464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182 (or 10178 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 68057464 is about 8249.6947822329. The cubic root of 68057464 is about 408.2804524421.

The spelling of 68057464 in words is "sixty-eight million, fifty-seven thousand, four hundred sixty-four".

Divisors: 1 2 4 8 919 1838 3676 7352 9257 18514 37028 74056 8507183 17014366 34028732 68057464