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672963284 = 22724034403
BaseRepresentation
bin101000000111001…
…001101011010100
31201220022002002002
4220013021223110
52334234311114
6150435534432
722451044040
oct5007115324
91656262062
10672963284
11315963304
1216945a418
13a9564136
146553b020
153e1317de
hex281c9ad4

672963284 has 12 divisors (see below), whose sum is σ = 1345926624. Its totient is φ = 288412824.

The previous prime is 672963271. The next prime is 672963293. The reversal of 672963284 is 482369276.

672963284 is an admirable number.

It is a super-2 number, since 2×6729632842 = 905759163224129312, which contains 22 as substring.

It is a congruent number.

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, 12017174 + ... + 12017229.

It is an arithmetic number, because the mean of its divisors is an integer number (112160552).

Almost surely, 2672963284 is an apocalyptic number.

It is an amenable number.

672963284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

672963284 is a wasteful number, since it uses less digits than its factorization.

672963284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24034414 (or 24034412 counting only the distinct ones).

The product of its digits is 870912, while the sum is 47.

The square root of 672963284 is about 25941.5358835979. The cubic root of 672963284 is about 876.3221520383.

The spelling of 672963284 in words is "six hundred seventy-two million, nine hundred sixty-three thousand, two hundred eighty-four".

Divisors: 1 2 4 7 14 28 24034403 48068806 96137612 168240821 336481642 672963284