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424566025 = 521323172
BaseRepresentation
bin11001010011100…
…101110100001001
31002120220012002121
4121103211310021
51332142103100
6110043531241
713343515552
oct3123456411
91076805077
10424566025
111a8724814
12ba229b21
1369c63100
144055b329
152741751a
hex194e5d09

424566025 has 27 divisors (see below), whose sum is σ = 571878111. Its totient is φ = 312536640.

The previous prime is 424565959. The next prime is 424566031. The reversal of 424566025 is 520665424.

The square root of 424566025 is 20605.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 388996729 + 35569296 = 19723^2 + 5964^2 .

It is not a de Polignac number, because 424566025 - 211 = 424563977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1339167 + ... + 1339483.

Almost surely, 2424566025 is an apocalyptic number.

424566025 is the 20605-th square number.

424566025 is the 10303-rd centered octagonal number.

It is an amenable number.

424566025 is a deficient number, since it is larger than the sum of its proper divisors (147312086).

424566025 is an equidigital number, since it uses as much as digits as its factorization.

424566025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The cubic root of 424566025 is about 751.5913027676.

Multiplying 424566025 by its product of nonzero digits (57600), we get a square (24455003040000 = 49452002).

The spelling of 424566025 in words is "four hundred twenty-four million, five hundred sixty-six thousand, twenty-five".

Divisors: 1 5 13 25 65 169 317 325 845 1585 4121 4225 7925 20605 53573 100489 103025 267865 502445 1306357 1339325 2512225 6531785 16982641 32658925 84913205 424566025