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68270764 = 2217067691
BaseRepresentation
bin1000001000110…
…11101010101100
311202110111212211
410010123222230
5114434131024
610435140204
71456202062
oct404335254
9152414784
1068270764
113559a921
121aa44664
13111b4703
1490d2032
155ed8594
hex411baac

68270764 has 6 divisors (see below), whose sum is σ = 119473844. Its totient is φ = 34135380.

The previous prime is 68270749. The next prime is 68270767. The reversal of 68270764 is 46707286.

It is not an unprimeable number, because it can be changed into a prime (68270767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8533842 + ... + 8533849.

Almost surely, 268270764 is an apocalyptic number.

It is an amenable number.

68270764 is a deficient number, since it is larger than the sum of its proper divisors (51203080).

68270764 is a wasteful number, since it uses less digits than its factorization.

68270764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17067695 (or 17067693 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 68270764 is about 8262.6124198101. The cubic root of 68270764 is about 408.7065404077.

The spelling of 68270764 in words is "sixty-eight million, two hundred seventy thousand, seven hundred sixty-four".

Divisors: 1 2 4 17067691 34135382 68270764