Search a number
-
+
494872940 = 22524743647
BaseRepresentation
bin11101011111110…
…010100101101100
31021111012011001102
4131133302211230
52003141413230
6121034502232
715156231152
oct3537624554
91244164042
10494872940
11234385401
12119894978
137b6ab533
1449a1d3d2
152d6a4045
hex1d7f296c

494872940 has 12 divisors (see below), whose sum is σ = 1039233216. Its totient is φ = 197949168.

The previous prime is 494872909. The next prime is 494872957. The reversal of 494872940 is 49278494.

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, 12371804 + ... + 12371843.

It is an arithmetic number, because the mean of its divisors is an integer number (86602768).

Almost surely, 2494872940 is an apocalyptic number.

It is an amenable number.

494872940 is an abundant number, since it is smaller than the sum of its proper divisors (544360276).

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

494872940 is a wasteful number, since it uses less digits than its factorization.

494872940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24743656 (or 24743654 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 494872940 is about 22245.7398168728. The cubic root of 494872940 is about 790.9782998485.

The spelling of 494872940 in words is "four hundred ninety-four million, eight hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 24743647 49487294 98974588 123718235 247436470 494872940