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69142113 = 334162459
BaseRepresentation
bin1000001111100…
…00011001100001
311211002210011000
410013300121201
5120200021423
610505542213
71466461335
oct407603141
9154083130
1069142113
1136035547
121b1a4969
131142b1c1
14927b7c5
15610b843
hex41f0661

69142113 has 16 divisors (see below), whose sum is σ = 104932800. Its totient is φ = 44969760.

The previous prime is 69142091. The next prime is 69142133. The reversal of 69142113 is 31124196.

It is not a de Polignac number, because 69142113 - 26 = 69142049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (69142133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30123 + ... + 32336.

It is an arithmetic number, because the mean of its divisors is an integer number (6558300).

Almost surely, 269142113 is an apocalyptic number.

It is an amenable number.

69142113 is a deficient number, since it is larger than the sum of its proper divisors (35790687).

69142113 is a wasteful number, since it uses less digits than its factorization.

69142113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62509 (or 62503 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 69142113 is about 8315.1736602431. The cubic root of 69142113 is about 410.4379872330.

The spelling of 69142113 in words is "sixty-nine million, one hundred forty-two thousand, one hundred thirteen".

Divisors: 1 3 9 27 41 123 369 1107 62459 187377 562131 1686393 2560819 7682457 23047371 69142113