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525754242 = 232136136833
BaseRepresentation
bin11111010101100…
…101111110000010
31100122022002020100
4133111211332002
52034043113432
6124100423230
716012560126
oct3725457602
91318262210
10525754242
1124a857a42
121280a7b16
1384c016b0
144db7b586
153125407c
hex1f565f82

525754242 has 48 divisors (see below), whose sum is σ = 1246904568. Its totient is φ = 159114240.

The previous prime is 525754231. The next prime is 525754283. The reversal of 525754242 is 242457525.

525754242 is a `hidden beast` number, since 5 + 2 + 575 + 42 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 59582961 + 466171281 = 7719^2 + 21591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 525754197 and 525754206.

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 23 ways as a sum of consecutive naturals, for example, 4143 + ... + 32690.

Almost surely, 2525754242 is an apocalyptic number.

525754242 is an abundant number, since it is smaller than the sum of its proper divisors (721150326).

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

525754242 is a wasteful number, since it uses less digits than its factorization.

525754242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36915 (or 36912 counting only the distinct ones).

The product of its digits is 112000, while the sum is 36.

The square root of 525754242 is about 22929.3314773894. The cubic root of 525754242 is about 807.1004605844.

The spelling of 525754242 in words is "five hundred twenty-five million, seven hundred fifty-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 61 78 117 122 183 234 366 549 793 1098 1586 2379 4758 7137 14274 36833 73666 110499 220998 331497 478829 662994 957658 1436487 2246813 2872974 4309461 4493626 6740439 8618922 13480878 20221317 29208569 40442634 58417138 87625707 175251414 262877121 525754242