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554431025 = 5222177241
BaseRepresentation
bin100001000010111…
…111001000110001
31102122021000101102
4201002333020301
52113413243100
6131003214145
716511404661
oct4102771061
91378230342
10554431025
11264a64265
12135817355
138ab322c5
14538c41a1
1533a1acd5
hex210bf231

554431025 has 6 divisors (see below), whose sum is σ = 687494502. Its totient is φ = 443544800.

The previous prime is 554430973. The next prime is 554431043. The reversal of 554431025 is 520134455.

It can be written as a sum of positive squares in 3 ways, for example, as 87179569 + 467251456 = 9337^2 + 21616^2 .

It is not a de Polignac number, because 554431025 - 222 = 550236721 is a prime.

It is a super-2 number, since 2×5544310252 = 614787522965101250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 11088596 + ... + 11088645.

It is an arithmetic number, because the mean of its divisors is an integer number (114582417).

Almost surely, 2554431025 is an apocalyptic number.

It is an amenable number.

554431025 is a deficient number, since it is larger than the sum of its proper divisors (133063477).

554431025 is a wasteful number, since it uses less digits than its factorization.

554431025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22177251 (or 22177246 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 554431025 is about 23546.3590603728. The cubic root of 554431025 is about 821.5156506118.

The spelling of 554431025 in words is "five hundred fifty-four million, four hundred thirty-one thousand, twenty-five".

Divisors: 1 5 25 22177241 110886205 554431025