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1315225472 = 2711284919
BaseRepresentation
bin100111001100100…
…1011111110000000
310101122211101011112
41032121023332000
510143144203342
6334301502452
744410142411
oct11631137600
93348741145
101315225472
11615457400
12308571a28
1317c639132
14c6965808
157a6eb682
hex4e64bf80

1315225472 has 48 divisors (see below), whose sum is σ = 2880061800. Its totient is φ = 597822720.

The previous prime is 1315225397. The next prime is 1315225507. The reversal of 1315225472 is 2745225131.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26972 + ... + 57947.

Almost surely, 21315225472 is an apocalyptic number.

It is an amenable number.

1315225472 is an abundant number, since it is smaller than the sum of its proper divisors (1564836328).

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

1315225472 is an equidigital number, since it uses as much as digits as its factorization.

1315225472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84955 (or 84932 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 1315225472 is about 36266.0374455219. The cubic root of 1315225472 is about 1095.6371185738.

The spelling of 1315225472 in words is "one billion, three hundred fifteen million, two hundred twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 352 484 704 968 1408 1936 3872 7744 15488 84919 169838 339676 679352 934109 1358704 1868218 2717408 3736436 5434816 7472872 10275199 10869632 14945744 20550398 29891488 41100796 59782976 82201592 119565952 164403184 328806368 657612736 1315225472