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4052879581 = 31714673943
BaseRepresentation
bin1111000110010010…
…0000100011011101
3101110110012121121011
43301210200203131
531300014121311
61510055135221
7202301623312
oct36144404335
911413177534
104052879581
11179a821463
12951374511
134c78776ca
142a639ad09
1518ac1d321
hexf19208dd

4052879581 has 16 divisors (see below), whose sum is σ = 4252704768. Its totient is φ = 3857641200.

The previous prime is 4052879563. The next prime is 4052879591. The reversal of 4052879581 is 1859782504.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4052879581 is a prime.

It is a super-2 number, since 2×40528795812 = 32851665796173471122, 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 (4052879591) 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, 1025896 + ... + 1029838.

It is an arithmetic number, because the mean of its divisors is an integer number (265794048).

Almost surely, 24052879581 is an apocalyptic number.

It is an amenable number.

4052879581 is a deficient number, since it is larger than the sum of its proper divisors (199825187).

4052879581 is a wasteful number, since it uses less digits than its factorization.

4052879581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4512.

The product of its (nonzero) digits is 806400, while the sum is 49.

The square root of 4052879581 is about 63662.2304117598. The cubic root of 4052879581 is about 1594.3655434629.

The spelling of 4052879581 in words is "four billion, fifty-two million, eight hundred seventy-nine thousand, five hundred eighty-one".

Divisors: 1 31 71 467 2201 3943 14477 33157 122233 279953 1027867 1841381 8678543 57082811 130738051 4052879581