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672120024 = 233171647353
BaseRepresentation
bin101000000011111…
…011110011011000
31201211201020100020
4220003323303120
52334030320044
6150405510440
722440632412
oct5003736330
91654636306
10672120024
113154377a4
12169112420
13a932a374
146539b9b2
153e016a19
hex280fbcd8

672120024 has 32 divisors (see below), whose sum is σ = 1779142320. Its totient is φ = 210861056.

The previous prime is 672120017. The next prime is 672120061. The reversal of 672120024 is 420021276.

672120024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 672119976 and 672120003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823269 + ... + 824084.

Almost surely, 2672120024 is an apocalyptic number.

It is an amenable number.

672120024 is an abundant number, since it is smaller than the sum of its proper divisors (1107022296).

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

672120024 is a wasteful number, since it uses less digits than its factorization.

672120024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647379 (or 1647375 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 672120024 is about 25925.2777034307. The cubic root of 672120024 is about 875.9559724333.

The spelling of 672120024 in words is "six hundred seventy-two million, one hundred twenty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 1647353 3294706 4942059 6589412 9884118 13178824 19768236 28005001 39536472 56010002 84015003 112020004 168030006 224040008 336060012 672120024