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525562089 = 31317792703
BaseRepresentation
bin11111010100110…
…111000011101001
31100121221022122120
4133110313003221
52034020441324
6124052341453
716011126663
oct3724670351
91317838576
10525562089
1124a736638
12128014889
1384b650b0
144db2b533
1531217179
hex1f5370e9

525562089 has 16 divisors (see below), whose sum is σ = 799045632. Its totient is φ = 304397568.

The previous prime is 525562087. The next prime is 525562109. The reversal of 525562089 is 980265525.

It is not a de Polignac number, because 525562089 - 21 = 525562087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 525562089.

It is not an unprimeable number, because it can be changed into a prime (525562087) 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 15 ways as a sum of consecutive naturals, for example, 395689 + ... + 397014.

It is an arithmetic number, because the mean of its divisors is an integer number (49940352).

Almost surely, 2525562089 is an apocalyptic number.

It is an amenable number.

525562089 is a deficient number, since it is larger than the sum of its proper divisors (273483543).

525562089 is a wasteful number, since it uses less digits than its factorization.

525562089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792736.

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 525562089 is about 22925.1409810278. The cubic root of 525562089 is about 807.0021220706.

It can be divided in two parts, 52556 and 2089, that added together give a palindrome (54645).

The spelling of 525562089 in words is "five hundred twenty-five million, five hundred sixty-two thousand, eighty-nine".

Divisors: 1 3 13 17 39 51 221 663 792703 2378109 10305139 13475951 30915417 40427853 175187363 525562089