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1056466879 = 1381266683
BaseRepresentation
bin111110111110000…
…110011110111111
32201121221002002221
4332332012132333
54130423420004
6252455430211
735115551236
oct7676063677
92647832087
101056466879
114a2391226
12255985367
1313ab4ac40
14a0449b1d
1562b37354
hex3ef867bf

1056466879 has 4 divisors (see below), whose sum is σ = 1137733576. Its totient is φ = 975200184.

The previous prime is 1056466849. The next prime is 1056466891. The reversal of 1056466879 is 9786646501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9786646501 = 29337470569.

It is a cyclic number.

It is not a de Polignac number, because 1056466879 - 25 = 1056466847 is a prime.

It is a super-2 number, since 2×10564668792 = 2232244532848001282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056466849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40633329 + ... + 40633354.

It is an arithmetic number, because the mean of its divisors is an integer number (284433394).

Almost surely, 21056466879 is an apocalyptic number.

1056466879 is a deficient number, since it is larger than the sum of its proper divisors (81266697).

1056466879 is an equidigital number, since it uses as much as digits as its factorization.

1056466879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81266696.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 1056466879 is about 32503.3364287422. The cubic root of 1056466879 is about 1018.4787264014.

The spelling of 1056466879 in words is "one billion, fifty-six million, four hundred sixty-six thousand, eight hundred seventy-nine".

Divisors: 1 13 81266683 1056466879