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69923013 = 3231013377
BaseRepresentation
bin1000010101011…
…11000011000101
311212120110100020
410022233003011
5120400014023
610534405353
71506223116
oct412570305
9155513306
1069923013
1136519216
121b500859
1311642784
14940220d
156212de3
hex42af0c5

69923013 has 8 divisors (see below), whose sum is σ = 97284288. Its totient is φ = 44588544.

The previous prime is 69922961. The next prime is 69923027. The reversal of 69923013 is 31032996.

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

It is not a de Polignac number, because 69923013 - 210 = 69921989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69923033) 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, 506620 + ... + 506757.

It is an arithmetic number, because the mean of its divisors is an integer number (12160536).

Almost surely, 269923013 is an apocalyptic number.

It is an amenable number.

69923013 is a deficient number, since it is larger than the sum of its proper divisors (27361275).

69923013 is a wasteful number, since it uses less digits than its factorization.

69923013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013403.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 69923013 is about 8361.9981463763. The cubic root of 69923013 is about 411.9773862757.

The spelling of 69923013 in words is "sixty-nine million, nine hundred twenty-three thousand, thirteen".

Divisors: 1 3 23 69 1013377 3040131 23307671 69923013