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68795104 = 257307121
BaseRepresentation
bin1000001100110…
…11101011100000
311210110011010211
410012123223200
5120102420404
610454303504
71463514550
oct406335340
9153404124
1068795104
1135918864
121b057b94
1311339281
1491cb160
15608db04
hex419bae0

68795104 has 24 divisors (see below), whose sum is σ = 154789488. Its totient is φ = 29483520.

The previous prime is 68795101. The next prime is 68795117. The reversal of 68795104 is 40159786.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68795101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153337 + ... + 153784.

It is an arithmetic number, because the mean of its divisors is an integer number (6449562).

Almost surely, 268795104 is an apocalyptic number.

It is an amenable number.

68795104 is an abundant number, since it is smaller than the sum of its proper divisors (85994384).

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

68795104 is a wasteful number, since it uses less digits than its factorization.

68795104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307138 (or 307130 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 68795104 is about 8294.2814034731. The cubic root of 68795104 is about 409.7502027865.

The spelling of 68795104 in words is "sixty-eight million, seven hundred ninety-five thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 307121 614242 1228484 2149847 2456968 4299694 4913936 8599388 9827872 17198776 34397552 68795104