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1379026888 = 23641268921
BaseRepresentation
bin101001000110010…
…0100011111001000
310120002212211020221
41102030210133020
510311012330023
6344501155424
746113351361
oct12214443710
93502784227
101379026888
11648474348
123259bbb74
1318c917455
14d1212b68
158110085d
hex523247c8

1379026888 has 16 divisors (see below), whose sum is σ = 2589718860. Its totient is φ = 688435200.

The previous prime is 1379026877. The next prime is 1379026921. The reversal of 1379026888 is 8886209731.

It can be written as a sum of positive squares in 2 ways, for example, as 1370628484 + 8398404 = 37022^2 + 2898^2 .

It is an unprimeable number.

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, 129333 + ... + 139588.

Almost surely, 21379026888 is an apocalyptic number.

It is an amenable number.

1379026888 is a deficient number, since it is larger than the sum of its proper divisors (1210691972).

1379026888 is a wasteful number, since it uses less digits than its factorization.

1379026888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269568 (or 269564 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 1379026888 is about 37135.2512849987. The cubic root of 1379026888 is about 1113.0745289485.

The spelling of 1379026888 in words is "one billion, three hundred seventy-nine million, twenty-six thousand, eight hundred eighty-eight".

Divisors: 1 2 4 8 641 1282 2564 5128 268921 537842 1075684 2151368 172378361 344756722 689513444 1379026888