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492009740 = 225157156691
BaseRepresentation
bin11101010100110…
…111100100001100
31021021210200110222
4131110313210030
52001423302430
6120453250512
715123004505
oct3524674414
91237720428
10492009740
112327aa222
12118933a38
137ac18231
14494b5bac
152d2da9e5
hex1d53790c

492009740 has 24 divisors (see below), whose sum is σ = 1039808112. Its totient is φ = 195549120.

The previous prime is 492009671. The next prime is 492009761. The reversal of 492009740 is 47900294.

It is a self number, because there is not a number n which added to its sum of digits gives 492009740.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75206 + ... + 81485.

It is an arithmetic number, because the mean of its divisors is an integer number (43325338).

Almost surely, 2492009740 is an apocalyptic number.

It is an amenable number.

492009740 is an abundant number, since it is smaller than the sum of its proper divisors (547798372).

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

492009740 is a wasteful number, since it uses less digits than its factorization.

492009740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156857 (or 156855 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 492009740 is about 22181.2925682883. The cubic root of 492009740 is about 789.4498867415.

The spelling of 492009740 in words is "four hundred ninety-two million, nine thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 157 314 628 785 1570 3140 156691 313382 626764 783455 1566910 3133820 24600487 49200974 98401948 123002435 246004870 492009740