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69896919 = 323298973
BaseRepresentation
bin1000010101010…
…00101011010111
311212112010112210
410022220223113
5120343200134
610534044503
71506054051
oct412505327
9155463483
1069896919
1136500654
121b4a9733
1311633931
1493d68d1
15620a2e9
hex42a8ad7

69896919 has 4 divisors (see below), whose sum is σ = 93195896. Its totient is φ = 46597944.

The previous prime is 69896903. The next prime is 69896927. The reversal of 69896919 is 91969896.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 69896919 - 24 = 69896903 is a prime.

It is a super-2 number, since 2×698969192 = 9771158571385122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69896419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11649484 + ... + 11649489.

It is an arithmetic number, because the mean of its divisors is an integer number (23298974).

Almost surely, 269896919 is an apocalyptic number.

69896919 is a deficient number, since it is larger than the sum of its proper divisors (23298977).

69896919 is a wasteful number, since it uses less digits than its factorization.

69896919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23298976.

The product of its digits is 1889568, while the sum is 57.

The square root of 69896919 is about 8360.4377277748. The cubic root of 69896919 is about 411.9261324038.

The spelling of 69896919 in words is "sixty-nine million, eight hundred ninety-six thousand, nine hundred nineteen".

Divisors: 1 3 23298973 69896919