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1379107597 = 72223126211
BaseRepresentation
bin101001000110011…
…1000001100001101
310120010000220222011
41102030320030031
510311022420342
6344503021221
746114135600
oct12214701415
93503026864
101379107597
11648519a4a
12325a3a811
1318c9450ca
14d1234337
1581119717
hex5233830d

1379107597 has 12 divisors (see below), whose sum is σ = 1611474816. Its totient is φ = 1176782040.

The previous prime is 1379107589. The next prime is 1379107601. The reversal of 1379107597 is 7957019731.

It is not a de Polignac number, because 1379107597 - 23 = 1379107589 is a prime.

It is a super-2 number, since 2×13791075972 = 3803875528206228818, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 1379107597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379107517) 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 11 ways as a sum of consecutive naturals, for example, 52179 + ... + 74032.

It is an arithmetic number, because the mean of its divisors is an integer number (134289568).

Almost surely, 21379107597 is an apocalyptic number.

It is an amenable number.

1379107597 is a deficient number, since it is larger than the sum of its proper divisors (232367219).

1379107597 is a wasteful number, since it uses less digits than its factorization.

1379107597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126448 (or 126441 counting only the distinct ones).

The product of its (nonzero) digits is 416745, while the sum is 49.

The square root of 1379107597 is about 37136.3379589318. The cubic root of 1379107597 is about 1113.0962431443.

The spelling of 1379107597 in words is "one billion, three hundred seventy-nine million, one hundred seven thousand, five hundred ninety-seven".

Divisors: 1 7 49 223 1561 10927 126211 883477 6184339 28145053 197015371 1379107597