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672485206 = 21408723869
BaseRepresentation
bin101000000101010…
…100111101010110
31201212101210021111
4220011110331112
52334124011311
6150421405234
722444013161
oct5005247526
91655353244
10672485206
113156670a8
1216926981a
13a9427653
1465454ad8
153e089d21
hex28154f56

672485206 has 8 divisors (see below), whose sum is σ = 1008841680. Its totient is φ = 336204648.

The previous prime is 672485179. The next prime is 672485207. The reversal of 672485206 is 602584276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672485207) 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, 16240 + ... + 40108.

It is an arithmetic number, because the mean of its divisors is an integer number (126105210).

Almost surely, 2672485206 is an apocalyptic number.

672485206 is a deficient number, since it is larger than the sum of its proper divisors (336356474).

672485206 is a wasteful number, since it uses less digits than its factorization.

672485206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37958.

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 672485206 is about 25932.3197188373. The cubic root of 672485206 is about 876.1145876737.

The spelling of 672485206 in words is "six hundred seventy-two million, four hundred eighty-five thousand, two hundred six".

Divisors: 1 2 14087 23869 28174 47738 336242603 672485206