Search a number
-
+
464533920 = 25335293367
BaseRepresentation
bin11011101100000…
…011100110100000
31012101002202202000
4123230003212200
51422410041140
6114032324000
714340321204
oct3354034640
91171082660
10464533920
11219243234
1210b6a3600
1375318156
14459a2b04
152abaea30
hex1bb039a0

464533920 has 192 divisors, whose sum is σ = 1635863040. Its totient is φ = 123116544.

The previous prime is 464533903. The next prime is 464533931. The reversal of 464533920 is 29335464.

464533920 is a `hidden beast` number, since 4 + 645 + 3 + 3 + 9 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 31 ways as a sum of consecutive naturals, for example, 1265577 + ... + 1265943.

It is an arithmetic number, because the mean of its divisors is an integer number (8520120).

Almost surely, 2464533920 is an apocalyptic number.

464533920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 464533920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817931520).

464533920 is an abundant number, since it is smaller than the sum of its proper divisors (1171329120).

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

464533920 is a wasteful number, since it uses less digits than its factorization.

464533920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 464533920 is about 21553.0489722452. The cubic root of 464533920 is about 774.4721594815.

The spelling of 464533920 in words is "four hundred sixty-four million, five hundred thirty-three thousand, nine hundred twenty".