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68074053 = 389254959
BaseRepresentation
bin1000000111010…
…11101001000101
311202002112001020
410003223221011
5114411332203
610431021353
71454422425
oct403535105
9152075036
1068074053
1135476053
121a96a859
1311146008
149080485
155e9a153
hex40eba45

68074053 has 8 divisors (see below), whose sum is σ = 91785600. Its totient is φ = 44872608.

The previous prime is 68074051. The next prime is 68074073. The reversal of 68074053 is 35047086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68074053 - 21 = 68074051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68074051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127213 + ... + 127746.

It is an arithmetic number, because the mean of its divisors is an integer number (11473200).

Almost surely, 268074053 is an apocalyptic number.

It is an amenable number.

68074053 is a deficient number, since it is larger than the sum of its proper divisors (23711547).

68074053 is a wasteful number, since it uses less digits than its factorization.

68074053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255051.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 68074053 is about 8250.7001521083. The cubic root of 68074053 is about 408.3136225202.

The spelling of 68074053 in words is "sixty-eight million, seventy-four thousand, fifty-three".

Divisors: 1 3 89 267 254959 764877 22691351 68074053