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672087101 = 7971397121
BaseRepresentation
bin101000000011110…
…011110000111101
31201211122120011212
4220003303300331
52334023241401
6150405054205
722440434420
oct5003636075
91654576155
10672087101
11315414a94
121690b7365
13a931839a
146538d9b7
153e00bdbb
hex280f3c3d

672087101 has 16 divisors (see below), whose sum is σ = 781710720. Its totient is φ = 565954560.

The previous prime is 672087083. The next prime is 672087103. The reversal of 672087101 is 101780276.

672087101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-672087101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672087103) 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, 90821 + ... + 97941.

It is an arithmetic number, because the mean of its divisors is an integer number (48856920).

Almost surely, 2672087101 is an apocalyptic number.

It is an amenable number.

672087101 is a deficient number, since it is larger than the sum of its proper divisors (109623619).

672087101 is a wasteful number, since it uses less digits than its factorization.

672087101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 672087101 is about 25924.6427362076. The cubic root of 672087101 is about 875.9416696459.

The spelling of 672087101 in words is "six hundred seventy-two million, eighty-seven thousand, one hundred one".

Divisors: 1 7 97 139 679 973 7121 13483 49847 94381 690737 989819 4835159 6928733 96012443 672087101