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53978468 = 221719411019
BaseRepresentation
bin1100110111101…
…0010101100100
310202120101112112
43031322111210
5102304302333
65204540152
71223544425
oct315722544
9122511475
1053978468
1128518905
12160b1658
13b24c22b
14725164c
154b13948
hex337a564

53978468 has 48 divisors (see below), whose sum is σ = 107956800. Its totient is φ = 23454720.

The previous prime is 53978453. The next prime is 53978479. The reversal of 53978468 is 86487935.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52463 + ... + 53481.

It is an arithmetic number, because the mean of its divisors is an integer number (2249100).

Almost surely, 253978468 is an apocalyptic number.

It is an amenable number.

53978468 is a deficient number, since it is larger than the sum of its proper divisors (53978332).

53978468 is a wasteful number, since it uses less digits than its factorization.

53978468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1098 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 53978468 is about 7347.0040152432. The cubic root of 53978468 is about 377.9260701044.

The spelling of 53978468 in words is "fifty-three million, nine hundred seventy-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 17 19 34 38 41 68 76 82 164 323 646 697 779 1019 1292 1394 1558 2038 2788 3116 4076 13243 17323 19361 26486 34646 38722 41779 52972 69292 77444 83558 167116 329137 658274 710243 793801 1316548 1420486 1587602 2840972 3175204 13494617 26989234 53978468