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492009620 = 22524600481
BaseRepresentation
bin11101010100110…
…111100010010100
31021021210200022112
4131110313202110
52001423301440
6120453250152
715123004244
oct3524674224
91237720275
10492009620
112327aa123
12118933958
137ac1816b
14494b5b24
152d2da965
hex1d537894

492009620 has 12 divisors (see below), whose sum is σ = 1033220244. Its totient is φ = 196803840.

The previous prime is 492009613. The next prime is 492009671. The reversal of 492009620 is 26900294.

It can be written as a sum of positive squares in 2 ways, for example, as 361456144 + 130553476 = 19012^2 + 11426^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12300221 + ... + 12300260.

It is an arithmetic number, because the mean of its divisors is an integer number (86101687).

Almost surely, 2492009620 is an apocalyptic number.

It is an amenable number.

492009620 is an abundant number, since it is smaller than the sum of its proper divisors (541210624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

492009620 is a wasteful number, since it uses less digits than its factorization.

492009620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24600490 (or 24600488 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 492009620 is about 22181.2898633060. The cubic root of 492009620 is about 789.4498225599.

The spelling of 492009620 in words is "four hundred ninety-two million, nine thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 24600481 49200962 98401924 123002405 246004810 492009620