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538864344 = 233219737991
BaseRepresentation
bin100000000111100…
…110101011011000
31101112222010220200
4200013212223120
52100422124334
6125245422200
716232162034
oct4007465330
91345863820
10538864344
112571a1837
1213056a960
1387841a55
14517d11c4
1532493799
hex201e6ad8

538864344 has 48 divisors (see below), whose sum is σ = 1466871120. Its totient is φ = 178704960.

The previous prime is 538864327. The next prime is 538864357. The reversal of 538864344 is 443468835.

538864344 is a `hidden beast` number, since 538 + 86 + 4 + 34 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 538864344.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 4812 + ... + 33179.

It is an arithmetic number, because the mean of its divisors is an integer number (30559815).

Almost surely, 2538864344 is an apocalyptic number.

It is an amenable number.

538864344 is an abundant number, since it is smaller than the sum of its proper divisors (928006776).

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

538864344 is a wasteful number, since it uses less digits than its factorization.

538864344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38200 (or 38193 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 538864344 is about 23213.4517898567. The cubic root of 538864344 is about 813.7540242037.

The spelling of 538864344 in words is "five hundred thirty-eight million, eight hundred sixty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 197 394 591 788 1182 1576 1773 2364 3546 4728 7092 14184 37991 75982 113973 151964 227946 303928 341919 455892 683838 911784 1367676 2735352 7484227 14968454 22452681 29936908 44905362 59873816 67358043 89810724 134716086 179621448 269432172 538864344