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525479901 = 3592968813
BaseRepresentation
bin11111010100100…
…010111111011101
31100121210010220120
4133110202333131
52034010324101
6124050505153
716010335242
oct3724427735
91317703816
10525479901
1124a68a911
12127b951b9
1384b3686b
144db095c9
15311ecb36
hex1f522fdd

525479901 has 8 divisors (see below), whose sum is σ = 712515360. Its totient is φ = 344382192.

The previous prime is 525479897. The next prime is 525479917. The reversal of 525479901 is 109974525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 525479901 - 22 = 525479897 is a prime.

It is a super-2 number, since 2×5254799012 = 552258252709939602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525479951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484230 + ... + 1484583.

It is an arithmetic number, because the mean of its divisors is an integer number (89064420).

Almost surely, 2525479901 is an apocalyptic number.

It is an amenable number.

525479901 is a deficient number, since it is larger than the sum of its proper divisors (187035459).

525479901 is a wasteful number, since it uses less digits than its factorization.

525479901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2968875.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 525479901 is about 22923.3483810721. The cubic root of 525479901 is about 806.9600532396.

The spelling of 525479901 in words is "five hundred twenty-five million, four hundred seventy-nine thousand, nine hundred one".

Divisors: 1 3 59 177 2968813 8906439 175159967 525479901