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409570325 = 5216382813
BaseRepresentation
bin11000011010011…
…000110000010101
31001112200022212022
4120122120300111
51314322222300
6104350302525
713102201403
oct3032306025
91045608768
10409570325
111a021227a
12b51b7a45
1366b12708
143c576473
1525e54285
hex18698c15

409570325 has 6 divisors (see below), whose sum is σ = 507867234. Its totient is φ = 327656240.

The previous prime is 409570309. The next prime is 409570331. The reversal of 409570325 is 523075904.

It can be written as a sum of positive squares in 3 ways, for example, as 33443089 + 376127236 = 5783^2 + 19394^2 .

It is not a de Polignac number, because 409570325 - 24 = 409570309 is a prime.

It is a super-2 number, since 2×4095703252 = 335495702241211250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8191382 + ... + 8191431.

It is an arithmetic number, because the mean of its divisors is an integer number (84644539).

Almost surely, 2409570325 is an apocalyptic number.

It is an amenable number.

409570325 is a deficient number, since it is larger than the sum of its proper divisors (98296909).

409570325 is a wasteful number, since it uses less digits than its factorization.

409570325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382823 (or 16382818 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 409570325 is about 20237.8438821926. The cubic root of 409570325 is about 742.6362781599.

The spelling of 409570325 in words is "four hundred nine million, five hundred seventy thousand, three hundred twenty-five".

Divisors: 1 5 25 16382813 81914065 409570325