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672382224 = 24324669321
BaseRepresentation
bin101000000100111…
…011110100010000
31201212012120000100
4220010323310100
52334112212344
6150415252400
722443104013
oct5004736420
91655176010
10672382224
113155a6798
1216921a100
13a93bc807
146542937a
153e069569
hex2813bd10

672382224 has 30 divisors (see below), whose sum is σ = 1881736766. Its totient is φ = 224127360.

The previous prime is 672382223. The next prime is 672382237. The reversal of 672382224 is 422283276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 671846400 + 535824 = 25920^2 + 732^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (672382223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2334517 + ... + 2334804.

Almost surely, 2672382224 is an apocalyptic number.

It is an amenable number.

672382224 is an abundant number, since it is smaller than the sum of its proper divisors (1209354542).

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

672382224 is a wasteful number, since it uses less digits than its factorization.

672382224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669335 (or 4669326 counting only the distinct ones).

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

The square root of 672382224 is about 25930.3340510685. The cubic root of 672382224 is about 876.0698636968.

The spelling of 672382224 in words is "six hundred seventy-two million, three hundred eighty-two thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 4669321 9338642 14007963 18677284 28015926 37354568 42023889 56031852 74709136 84047778 112063704 168095556 224127408 336191112 672382224