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68372428 = 2267255121
BaseRepresentation
bin1000001001101…
…00011111001100
311202122200100011
410010310133030
5120000404203
610441243004
71460104345
oct404643714
9152580304
1068372428
113565a243
121aa93464
131121ba77
14911b0cc
15600876d
hex41347cc

68372428 has 12 divisors (see below), whose sum is σ = 121438072. Its totient is φ = 33675840.

The previous prime is 68372413. The next prime is 68372449. The reversal of 68372428 is 82427386.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127293 + ... + 127828.

Almost surely, 268372428 is an apocalyptic number.

It is an amenable number.

68372428 is a deficient number, since it is larger than the sum of its proper divisors (53065644).

68372428 is a wasteful number, since it uses less digits than its factorization.

68372428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255192 (or 255190 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 68372428 is about 8268.7621806411. The cubic root of 68372428 is about 408.9093120947.

The spelling of 68372428 in words is "sixty-eight million, three hundred seventy-two thousand, four hundred twenty-eight".

Divisors: 1 2 4 67 134 268 255121 510242 1020484 17093107 34186214 68372428