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672383903 = 705795279
BaseRepresentation
bin101000000100111…
…100001110011111
31201212012122022112
4220010330032133
52334112241103
6150415304235
722443111632
oct5004741637
91655178275
10672383903
113155a7a84
1216921b07b
13a93c04c9
1465429c19
153e069cd8
hex2813c39f

672383903 has 4 divisors (see below), whose sum is σ = 672486240. Its totient is φ = 672281568.

The previous prime is 672383891. The next prime is 672383911. The reversal of 672383903 is 309383276.

672383903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 672383903 - 26 = 672383839 is a prime.

It is a super-2 number, since 2×6723839032 = 904200226027026818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672383923) 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, 40583 + ... + 54696.

It is an arithmetic number, because the mean of its divisors is an integer number (168121560).

Almost surely, 2672383903 is an apocalyptic number.

672383903 is a deficient number, since it is larger than the sum of its proper divisors (102337).

672383903 is an equidigital number, since it uses as much as digits as its factorization.

672383903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102336.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 672383903 is about 25930.3664262578. The cubic root of 672383903 is about 876.0705929051.

The spelling of 672383903 in words is "six hundred seventy-two million, three hundred eighty-three thousand, nine hundred three".

Divisors: 1 7057 95279 672383903