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672084863 = 2329221081
BaseRepresentation
bin101000000011110…
…011001101111111
31201211122110002222
4220003303031333
52334023203423
6150405035555
722440425042
oct5003631577
91654573088
10672084863
1131541333a
121690b5bbb
13a9317368
146538cc59
153e00b3c8
hex280f337f

672084863 has 4 divisors (see below), whose sum is σ = 701305968. Its totient is φ = 642863760.

The previous prime is 672084857. The next prime is 672084887. The reversal of 672084863 is 368480276.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 672084863 - 212 = 672080767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672084263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14610518 + ... + 14610563.

It is an arithmetic number, because the mean of its divisors is an integer number (175326492).

Almost surely, 2672084863 is an apocalyptic number.

672084863 is a deficient number, since it is larger than the sum of its proper divisors (29221105).

672084863 is a wasteful number, since it uses less digits than its factorization.

672084863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29221104.

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 672084863 is about 25924.5995726067. The cubic root of 672084863 is about 875.9406973713.

The spelling of 672084863 in words is "six hundred seventy-two million, eighty-four thousand, eight hundred sixty-three".

Divisors: 1 23 29221081 672084863