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2956670397 = 33109506311
BaseRepresentation
bin1011000000111011…
…0011010110111101
321122001111102022000
42300032303112331
522023401423042
61205215412513
7133161166212
oct26016632675
97561442260
102956670397
111287a6625a
126a6224139
13381723315
14200967b09
1512488574c
hexb03b35bd

2956670397 has 8 divisors (see below), whose sum is σ = 4380252480. Its totient is φ = 1971113580.

The previous prime is 2956670377. The next prime is 2956670419. The reversal of 2956670397 is 7930766592.

2956670397 is a `hidden beast` number, since 2 + 9 + 566 + 70 + 3 + 9 + 7 = 666.

It is not a de Polignac number, because 2956670397 - 220 = 2955621821 is a prime.

It is a super-2 number, since 2×29566703972 = 17483799672992275218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2956670317) 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, 54753129 + ... + 54753182.

It is an arithmetic number, because the mean of its divisors is an integer number (547531560).

Almost surely, 22956670397 is an apocalyptic number.

2956670397 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2956670397 is a deficient number, since it is larger than the sum of its proper divisors (1423582083).

2956670397 is a wasteful number, since it uses less digits than its factorization.

2956670397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109506320 (or 109506314 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The square root of 2956670397 is about 54375.2737648281. The cubic root of 2956670397 is about 1435.2723035393.

The spelling of 2956670397 in words is "two billion, nine hundred fifty-six million, six hundred seventy thousand, three hundred ninety-seven".

Divisors: 1 3 9 27 109506311 328518933 985556799 2956670397