Search a number
-
+
492971844 = 22341080987
BaseRepresentation
bin11101011000100…
…010011101000100
31021100121120020110
4131120202131010
52002200044334
6120530033020
715134122461
oct3530423504
91240546213
10492971844
112332a7052
12119118770
137b194121
1449686668
152d42aae9
hex1d622744

492971844 has 12 divisors (see below), whose sum is σ = 1150267664. Its totient is φ = 164323944.

The previous prime is 492971833. The next prime is 492971851. The reversal of 492971844 is 448179294.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 492971793 and 492971802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20540482 + ... + 20540505.

Almost surely, 2492971844 is an apocalyptic number.

It is an amenable number.

492971844 is an abundant number, since it is smaller than the sum of its proper divisors (657295820).

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

492971844 is a wasteful number, since it uses less digits than its factorization.

492971844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41080994 (or 41080992 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 492971844 is about 22202.9692608894. The cubic root of 492971844 is about 789.9641301878.

The spelling of 492971844 in words is "four hundred ninety-two million, nine hundred seventy-one thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 41080987 82161974 123242961 164323948 246485922 492971844