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1369379964 = 223421271057
BaseRepresentation
bin101000110011111…
…0001010001111100
310112102201201011110
41101213301101330
510301030124324
6343514322020
745635352261
oct12147612174
93472651143
101369379964
11642a85487
12322729310
1318a91a504
14cdc21268
1580347329
hex519f147c

1369379964 has 24 divisors (see below), whose sum is σ = 3202821328. Its totient is φ = 455374080.

The previous prime is 1369379933. The next prime is 1369379987. The reversal of 1369379964 is 4699739631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130477 + ... + 140580.

Almost surely, 21369379964 is an apocalyptic number.

It is an amenable number.

1369379964 is an abundant number, since it is smaller than the sum of its proper divisors (1833441364).

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

1369379964 is a wasteful number, since it uses less digits than its factorization.

1369379964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271485 (or 271483 counting only the distinct ones).

The product of its digits is 6613488, while the sum is 57.

The square root of 1369379964 is about 37005.1342924195. The cubic root of 1369379964 is about 1110.4729645830.

The spelling of 1369379964 in words is "one billion, three hundred sixty-nine million, three hundred seventy-nine thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 421 842 1263 1684 2526 5052 271057 542114 813171 1084228 1626342 3252684 114114997 228229994 342344991 456459988 684689982 1369379964