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671074297 = 2943538151
BaseRepresentation
bin100111111111111…
…100011111111001
31201202202002212121
4213333330133321
52333243334142
6150331241241
722426015555
oct4777743771
91652662777
10671074297
11314893063
121688a9221
13a90523aa
14651a8865
153ddabc67
hex27ffc7f9

671074297 has 8 divisors (see below), whose sum is σ = 710360640. Its totient is φ = 632864400.

The previous prime is 671074279. The next prime is 671074307. The reversal of 671074297 is 792470176.

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

It is a cyclic number.

It is not a de Polignac number, because 671074297 - 211 = 671072249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671074207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267829 + ... + 270322.

It is an arithmetic number, because the mean of its divisors is an integer number (88795080).

Almost surely, 2671074297 is an apocalyptic number.

It is an amenable number.

671074297 is a deficient number, since it is larger than the sum of its proper divisors (39286343).

671074297 is a wasteful number, since it uses less digits than its factorization.

671074297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538223.

The product of its (nonzero) digits is 148176, while the sum is 43.

The square root of 671074297 is about 25905.1017562178. The cubic root of 671074297 is about 875.5014473226.

The spelling of 671074297 in words is "six hundred seventy-one million, seventy-four thousand, two hundred ninety-seven".

Divisors: 1 29 43 1247 538151 15606379 23140493 671074297