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69311396 = 22711225037
BaseRepresentation
bin1000010000110…
…01101110100100
311211102101100202
410020121232210
5120220431041
610513330032
71501065020
oct410315644
9154371322
1069311396
1136140750
121b266918
131148a27b
1492c3380
156141a9b
hex4219ba4

69311396 has 24 divisors (see below), whose sum is σ = 151225536. Its totient is φ = 27004320.

The previous prime is 69311387. The next prime is 69311419.

69311396 is nontrivially palindromic in base 10.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 112211 + ... + 112826.

It is an arithmetic number, because the mean of its divisors is an integer number (6301064).

Almost surely, 269311396 is an apocalyptic number.

It is an amenable number.

69311396 is an abundant number, since it is smaller than the sum of its proper divisors (81914140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

69311396 is a wasteful number, since it uses less digits than its factorization.

69311396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225059 (or 225057 counting only the distinct ones).

The product of its digits is 26244, while the sum is 38.

The square root of 69311396 is about 8325.3465993915. The cubic root of 69311396 is about 410.7726773576.

The spelling of 69311396 in words is "sixty-nine million, three hundred eleven thousand, three hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 225037 450074 900148 1575259 2475407 3150518 4950814 6301036 9901628 17327849 34655698 69311396