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525354404 = 22457287393
BaseRepresentation
bin11111010100000…
…100010110100100
31100121112202202112
4133110010112210
52033442320104
6124044100152
716006303331
oct3724042644
91317482675
10525354404
1124a6045a3
12127b34658
1384ac16c3
144dab5988
15311c586e
hex1f5045a4

525354404 has 12 divisors (see below), whose sum is σ = 921385164. Its totient is φ = 262101504.

The previous prime is 525354359. The next prime is 525354407. The reversal of 525354404 is 404453525.

It can be written as a sum of positive squares in 2 ways, for example, as 211993600 + 313360804 = 14560^2 + 17702^2 .

It is not an unprimeable number, because it can be changed into a prime (525354407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 141869 + ... + 145524.

It is an arithmetic number, because the mean of its divisors is an integer number (76782097).

Almost surely, 2525354404 is an apocalyptic number.

It is an amenable number.

525354404 is a deficient number, since it is larger than the sum of its proper divisors (396030760).

525354404 is a wasteful number, since it uses less digits than its factorization.

525354404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287854 (or 287852 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 525354404 is about 22920.6108993630. The cubic root of 525354404 is about 806.8958077575.

The spelling of 525354404 in words is "five hundred twenty-five million, three hundred fifty-four thousand, four hundred four".

Divisors: 1 2 4 457 914 1828 287393 574786 1149572 131338601 262677202 525354404