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674790291 = 3373570319
BaseRepresentation
bin101000001110000…
…111101110010011
31202000201220021000
4220032013232103
52340221242131
6150543033043
722502423430
oct5016075623
91660656230
10674790291
113169a0a2a
12169b9b783
13a9a538c6
1465894b87
153e392ce6
hex28387b93

674790291 has 16 divisors (see below), whose sum is σ = 1142502400. Its totient is φ = 385594344.

The previous prime is 674790289. The next prime is 674790313. The reversal of 674790291 is 192097476.

674790291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674790291 - 21 = 674790289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674795291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1784971 + ... + 1785348.

It is an arithmetic number, because the mean of its divisors is an integer number (71406400).

Almost surely, 2674790291 is an apocalyptic number.

674790291 is a deficient number, since it is larger than the sum of its proper divisors (467712109).

674790291 is a wasteful number, since it uses less digits than its factorization.

674790291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3570335 (or 3570329 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 674790291 is about 25976.7259484331. The cubic root of 674790291 is about 877.1144686714.

The spelling of 674790291 in words is "six hundred seventy-four million, seven hundred ninety thousand, two hundred ninety-one".

Divisors: 1 3 7 9 21 27 63 189 3570319 10710957 24992233 32132871 74976699 96398613 224930097 674790291