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69072056 = 2373311779
BaseRepresentation
bin1000001110111…
…11010010111000
311210222020001022
410013133102320
5120140301211
610504242012
71466050154
oct407372270
9153866038
1069072056
1135a97949
121b170308
1311405351
149260064
1560e5bdb
hex41df4b8

69072056 has 16 divisors (see below), whose sum is σ = 129697800. Its totient is φ = 34485984.

The previous prime is 69072053. The next prime is 69072077. The reversal of 69072056 is 65027096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69072053) 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, 26 + ... + 11753.

Almost surely, 269072056 is an apocalyptic number.

It is an amenable number.

69072056 is a deficient number, since it is larger than the sum of its proper divisors (60625744).

69072056 is a wasteful number, since it uses less digits than its factorization.

69072056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12518 (or 12514 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 69072056 is about 8310.9599926844. The cubic root of 69072056 is about 410.2993174229.

The spelling of 69072056 in words is "sixty-nine million, seventy-two thousand, fifty-six".

Divisors: 1 2 4 8 733 1466 2932 5864 11779 23558 47116 94232 8634007 17268014 34536028 69072056