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672031671 = 33126926863
BaseRepresentation
bin101000000011100…
…110001110110111
31201211112202010220
4220003212032313
52334020003141
6150403545423
722440114003
oct5003461667
91654482126
10672031671
11315387383
1216908b273
13a92c909c
1465377703
153deea766
hex280e63b7

672031671 has 16 divisors (see below), whose sum is σ = 928419840. Its totient is φ = 431940960.

The previous prime is 672031669. The next prime is 672031681. The reversal of 672031671 is 176130276.

672031671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 672031671 - 21 = 672031669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672031601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11586 + ... + 38448.

It is an arithmetic number, because the mean of its divisors is an integer number (58026240).

Almost surely, 2672031671 is an apocalyptic number.

672031671 is a deficient number, since it is larger than the sum of its proper divisors (256388169).

672031671 is a wasteful number, since it uses less digits than its factorization.

672031671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27166.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 672031671 is about 25923.5736541087. The cubic root of 672031671 is about 875.9175880541.

The spelling of 672031671 in words is "six hundred seventy-two million, thirty-one thousand, six hundred seventy-one".

Divisors: 1 3 31 93 269 807 8339 25017 26863 80589 832753 2498259 7226147 21678441 224010557 672031671