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1375227952 = 24731396091
BaseRepresentation
bin101000111111000…
…0101000000110000
310112211201211002121
41101332011000300
510304024243302
6344243524024
746036146640
oct12176050060
93484654077
101375227952
1164630a12a
12324689614
1318bbb7267
14d0904520
1580aeee37
hex51f85030

1375227952 has 40 divisors (see below), whose sum is σ = 3143386112. Its totient is φ = 570369600.

The previous prime is 1375227949. The next prime is 1375227979. The reversal of 1375227952 is 2597225731.

It is a super-2 number, since 2×13752279522 = 3782503839924228608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1375227899 and 1375227908.

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, 194574 + ... + 201517.

Almost surely, 21375227952 is an apocalyptic number.

It is an amenable number.

1375227952 is an abundant number, since it is smaller than the sum of its proper divisors (1768158160).

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

1375227952 is a wasteful number, since it uses less digits than its factorization.

1375227952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396137 (or 396131 counting only the distinct ones).

The product of its digits is 264600, while the sum is 43.

The square root of 1375227952 is about 37084.0660122377. The cubic root of 1375227952 is about 1112.0514916722.

The spelling of 1375227952 in words is "one billion, three hundred seventy-five million, two hundred twenty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 7 8 14 16 28 31 56 62 112 124 217 248 434 496 868 1736 3472 396091 792182 1584364 2772637 3168728 5545274 6337456 11090548 12278821 22181096 24557642 44362192 49115284 85951747 98230568 171903494 196461136 343806988 687613976 1375227952