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71074053 = 3271111227
BaseRepresentation
bin1000011110010…
…00000100000101
311221201221021100
410033020010011
5121143332203
611015210313
71522055661
oct417100405
9157657240
1071074053
1137134a96
121b976999
131195666b
1496218a1
15638dea3
hex43c8105

71074053 has 12 divisors (see below), whose sum is σ = 104109408. Its totient is φ = 46714920.

The previous prime is 71074051. The next prime is 71074061. The reversal of 71074053 is 35047017.

It is not a de Polignac number, because 71074053 - 21 = 71074051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71074051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54975 + ... + 56252.

It is an arithmetic number, because the mean of its divisors is an integer number (8675784).

Almost surely, 271074053 is an apocalyptic number.

It is an amenable number.

71074053 is a deficient number, since it is larger than the sum of its proper divisors (33035355).

71074053 is a wasteful number, since it uses less digits than its factorization.

71074053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111304 (or 111301 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 71074053 is about 8430.5428650829. The cubic root of 71074053 is about 414.2256873508.

The spelling of 71074053 in words is "seventy-one million, seventy-four thousand, fifty-three".

Divisors: 1 3 9 71 213 639 111227 333681 1001043 7897117 23691351 71074053