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525133044 = 22342955889
BaseRepresentation
bin11111010011001…
…110010011110100
31100121010112010000
4133103032103310
52033413224134
6124035231300
716004362062
oct3723162364
91317115100
10525133044
1124a473257
12127a48530
1384a44a17
144da59032
153117ee99
hex1f4ce4f4

525133044 has 60 divisors (see below), whose sum is σ = 1420164900. Its totient is φ = 169005312.

The previous prime is 525133031. The next prime is 525133061. The reversal of 525133044 is 440331525.

525133044 is a `hidden beast` number, since 525 + 133 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 381420900 + 143712144 = 19530^2 + 11988^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 525132999 and 525133017.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18549 + ... + 37340.

It is an arithmetic number, because the mean of its divisors is an integer number (23669415).

Almost surely, 2525133044 is an apocalyptic number.

525133044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

525133044 is an abundant number, since it is smaller than the sum of its proper divisors (895031856).

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

525133044 is a wasteful number, since it uses less digits than its factorization.

525133044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55934 (or 55923 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 525133044 is about 22915.7815489675. The cubic root of 525133044 is about 806.7824623363.

Adding to 525133044 its reverse (440331525), we get a palindrome (965464569).

The spelling of 525133044 in words is "five hundred twenty-five million, one hundred thirty-three thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 81 87 108 116 162 174 261 324 348 522 783 1044 1566 2349 3132 4698 9396 55889 111778 167667 223556 335334 503001 670668 1006002 1509003 1620781 2012004 3018006 3241562 4527009 4862343 6036012 6483124 9054018 9724686 14587029 18108036 19449372 29174058 43761087 58348116 87522174 131283261 175044348 262566522 525133044