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672930371 is a prime number
BaseRepresentation
bin101000000111000…
…001101001000011
31201220020101221002
4220013001221003
52334232232441
6150435122215
722450546061
oct5007015103
91656211832
10672930371
11315940603
1216944336b
13a9552169
146552d031
153e126b9b
hex281c1a43

672930371 has 2 divisors, whose sum is σ = 672930372. Its totient is φ = 672930370.

The previous prime is 672930337. The next prime is 672930421. The reversal of 672930371 is 173039276.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-672930371 is a prime.

It is not a weakly prime, because it can be changed into another prime (672930301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336465185 + 336465186.

It is an arithmetic number, because the mean of its divisors is an integer number (336465186).

Almost surely, 2672930371 is an apocalyptic number.

672930371 is a deficient number, since it is larger than the sum of its proper divisors (1).

672930371 is an equidigital number, since it uses as much as digits as its factorization.

672930371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 672930371 is about 25940.9015070795. The cubic root of 672930371 is about 876.3078655426.

The spelling of 672930371 in words is "six hundred seventy-two million, nine hundred thirty thousand, three hundred seventy-one".