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492496940 = 2251311316763
BaseRepresentation
bin11101010110101…
…110100000101100
31021022201102210102
4131112232200230
52002034400230
6120511530232
715130104065
oct3526564054
91238642712
10492496940
11233002271
12118b29978
137b058c10
14495a156c
152d385045
hex1d5ae82c

492496940 has 48 divisors (see below), whose sum is σ = 1123724448. Its totient is φ = 180225024.

The previous prime is 492496933. The next prime is 492497011. The reversal of 492496940 is 49694294.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20999 + ... + 37761.

It is an arithmetic number, because the mean of its divisors is an integer number (23410926).

Almost surely, 2492496940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 492496940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561862224).

492496940 is an abundant number, since it is smaller than the sum of its proper divisors (631227508).

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

492496940 is a wasteful number, since it uses less digits than its factorization.

492496940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16898 (or 16896 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The square root of 492496940 is about 22192.2720783610. The cubic root of 492496940 is about 789.7103782657.

The spelling of 492496940 in words is "four hundred ninety-two million, four hundred ninety-six thousand, nine hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 113 130 226 260 452 565 1130 1469 2260 2938 5876 7345 14690 16763 29380 33526 67052 83815 167630 217919 335260 435838 871676 1089595 1894219 2179190 3788438 4358380 7576876 9471095 18942190 24624847 37884380 49249694 98499388 123124235 246248470 492496940