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1379165752 = 23239721321
BaseRepresentation
bin101001000110100…
…0110011000111000
310120010010212202001
41102031012120320
510311031301002
6344504150344
746114500256
oct12215063070
93503125661
101379165752
11648559708
12325a683b4
1318c965713
14d124b5d6
158112ba87
hex52346638

1379165752 has 16 divisors (see below), whose sum is σ = 2596759200. Its totient is φ = 686696640.

The previous prime is 1379165747. The next prime is 1379165759. The reversal of 1379165752 is 2575619731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379165759) 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, 358749 + ... + 362572.

It is an arithmetic number, because the mean of its divisors is an integer number (162297450).

Almost surely, 21379165752 is an apocalyptic number.

It is an amenable number.

1379165752 is a deficient number, since it is larger than the sum of its proper divisors (1217593448).

1379165752 is a wasteful number, since it uses less digits than its factorization.

1379165752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721566 (or 721562 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 1379165752 is about 37137.1209438750. The cubic root of 1379165752 is about 1113.1118888179. Note that the first 3 decimals are identical.

The spelling of 1379165752 in words is "one billion, three hundred seventy-nine million, one hundred sixty-five thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 239 478 956 1912 721321 1442642 2885284 5770568 172395719 344791438 689582876 1379165752