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492774340 = 22524638717
BaseRepresentation
bin11101010111110…
…010001111000100
31021100020112022111
4131113302033010
52002122234330
6120521510404
715132340612
oct3527621704
91240215274
10492774340
11233181723
12119042404
137b125266
14496346b2
152d3dc32a
hex1d5f23c4

492774340 has 12 divisors (see below), whose sum is σ = 1034826156. Its totient is φ = 197109728.

The previous prime is 492774319. The next prime is 492774349. The reversal of 492774340 is 43477294.

It can be written as a sum of positive squares in 2 ways, for example, as 167909764 + 324864576 = 12958^2 + 18024^2 .

It is a junction number, because it is equal to n+sod(n) for n = 492774293 and 492774302.

It is not an unprimeable number, because it can be changed into a prime (492774349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12319339 + ... + 12319378.

It is an arithmetic number, because the mean of its divisors is an integer number (86235513).

Almost surely, 2492774340 is an apocalyptic number.

It is an amenable number.

492774340 is an abundant number, since it is smaller than the sum of its proper divisors (542051816).

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

492774340 is a wasteful number, since it uses less digits than its factorization.

492774340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24638726 (or 24638724 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 492774340 is about 22198.5211219126. The cubic root of 492774340 is about 789.8586191476.

The spelling of 492774340 in words is "four hundred ninety-two million, seven hundred seventy-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 24638717 49277434 98554868 123193585 246387170 492774340