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464238072 = 233223280337
BaseRepresentation
bin11011101010111…
…011010111111000
31012100112201220200
4123222323113320
51422321104242
6114022122200
714334646524
oct3352732770
91170481820
10464238072
11219060a31
1210b580360
13752435ac
1445926d84
152ab5204c
hex1babb5f8

464238072 has 48 divisors (see below), whose sum is σ = 1311981840. Its totient is φ = 148017408.

The previous prime is 464238067. The next prime is 464238079. The reversal of 464238072 is 270832464.

464238072 is a `hidden beast` number, since 4 + 642 + 3 + 8 + 0 + 7 + 2 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464238079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138513 + ... + 141824.

It is an arithmetic number, because the mean of its divisors is an integer number (27332955).

Almost surely, 2464238072 is an apocalyptic number.

It is an amenable number.

464238072 is an abundant number, since it is smaller than the sum of its proper divisors (847743768).

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

464238072 is a wasteful number, since it uses less digits than its factorization.

464238072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280372 (or 280365 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 464238072 is about 21546.1846274462. The cubic root of 464238072 is about 774.3077117143.

The spelling of 464238072 in words is "four hundred sixty-four million, two hundred thirty-eight thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 36 46 69 72 92 138 184 207 276 414 552 828 1656 280337 560674 841011 1121348 1682022 2242696 2523033 3364044 5046066 6447751 6728088 10092132 12895502 19343253 20184264 25791004 38686506 51582008 58029759 77373012 116059518 154746024 232119036 464238072