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525253288 = 2379379523
BaseRepresentation
bin11111010011101…
…011101010101000
31100121100122001111
4133103223222220
52033431101123
6124042000104
716005402460
oct3723535250
91317318044
10525253288
1124a54562a
12127aa6034
1384a87681
144da8aba0
15311a590d
hex1f4ebaa8

525253288 has 16 divisors (see below), whose sum is σ = 1125542880. Its totient is φ = 225108528.

The previous prime is 525253283. The next prime is 525253297. The reversal of 525253288 is 882352525.

It is a self number, because there is not a number n which added to its sum of digits gives 525253288.

It is not an unprimeable number, because it can be changed into a prime (525253283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4689706 + ... + 4689817.

It is an arithmetic number, because the mean of its divisors is an integer number (70346430).

Almost surely, 2525253288 is an apocalyptic number.

It is an amenable number.

525253288 is an abundant number, since it is smaller than the sum of its proper divisors (600289592).

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

525253288 is a wasteful number, since it uses less digits than its factorization.

525253288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9379536 (or 9379532 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 525253288 is about 22918.4050055845. The cubic root of 525253288 is about 806.8440361591.

The spelling of 525253288 in words is "five hundred twenty-five million, two hundred fifty-three thousand, two hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 9379523 18759046 37518092 65656661 75036184 131313322 262626644 525253288