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69933961 = 2314392113
BaseRepresentation
bin1000010101100…
…01101110001001
311212121000100201
410022301232021
5120400341321
610534532201
71506300046
oct412615611
9155530321
1069933961
1136526469
121b507061
1311647756
1494061cd
156216291
hex42b1b89

69933961 has 8 divisors (see below), whose sum is σ = 73059840. Its totient is φ = 66815232.

The previous prime is 69933949. The next prime is 69934019. The reversal of 69933961 is 16933996.

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

It is a cyclic number.

It is not a de Polignac number, because 69933961 - 27 = 69933833 is a prime.

It is a super-2 number, since 2×699339612 = 9781517802299042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69933911) 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, 32041 + ... + 34153.

It is an arithmetic number, because the mean of its divisors is an integer number (9132480).

Almost surely, 269933961 is an apocalyptic number.

It is an amenable number.

69933961 is a deficient number, since it is larger than the sum of its proper divisors (3125879).

69933961 is a wasteful number, since it uses less digits than its factorization.

69933961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575.

The product of its digits is 236196, while the sum is 46.

The square root of 69933961 is about 8362.6527489786. The cubic root of 69933961 is about 411.9988865556.

The spelling of 69933961 in words is "sixty-nine million, nine hundred thirty-three thousand, nine hundred sixty-one".

Divisors: 1 23 1439 2113 33097 48599 3040607 69933961