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672238707 = 3732011367
BaseRepresentation
bin101000000100011…
…000110001110011
31201211221021010220
4220010120301303
52334043114312
6150412224123
722441635420
oct5004306163
91654837126
10672238707
11315508988
1216916b043
13a936c3aa
14653ccd47
153e03bc8c
hex28118c73

672238707 has 8 divisors (see below), whose sum is σ = 1024363776. Its totient is φ = 384136392.

The previous prime is 672238691. The next prime is 672238717. The reversal of 672238707 is 707832276.

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

It is not a de Polignac number, because 672238707 - 24 = 672238691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (672238717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16005663 + ... + 16005704.

It is an arithmetic number, because the mean of its divisors is an integer number (128045472).

Almost surely, 2672238707 is an apocalyptic number.

672238707 is a deficient number, since it is larger than the sum of its proper divisors (352125069).

672238707 is a wasteful number, since it uses less digits than its factorization.

672238707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32011377.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 672238707 is about 25927.5665460529. The cubic root of 672238707 is about 876.0075281874.

The spelling of 672238707 in words is "six hundred seventy-two million, two hundred thirty-eight thousand, seven hundred seven".

Divisors: 1 3 7 21 32011367 96034101 224079569 672238707