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672649048 = 23372272463
BaseRepresentation
bin101000000101111…
…100111101011000
31201212201010000201
4220011330331120
52334144232143
6150425111544
722445264641
oct5005747530
91655633021
10672649048
11315769205
121693285b4
13a94840b6
14654986c8
153e0bd64d
hex2817cf58

672649048 has 16 divisors (see below), whose sum is σ = 1295304480. Its totient is φ = 327234528.

The previous prime is 672649031. The next prime is 672649049. The reversal of 672649048 is 840946276.

It is a happy number.

672649048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 672648989 and 672649007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672649049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135936 + ... + 1136527.

It is an arithmetic number, because the mean of its divisors is an integer number (80956530).

Almost surely, 2672649048 is an apocalyptic number.

It is an amenable number.

672649048 is a deficient number, since it is larger than the sum of its proper divisors (622655432).

672649048 is a wasteful number, since it uses less digits than its factorization.

672649048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272506 (or 2272502 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 672649048 is about 25935.4785573739. The cubic root of 672649048 is about 876.1857330852.

The spelling of 672649048 in words is "six hundred seventy-two million, six hundred forty-nine thousand, forty-eight".

Divisors: 1 2 4 8 37 74 148 296 2272463 4544926 9089852 18179704 84081131 168162262 336324524 672649048