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14313881 = 17249529
BaseRepresentation
bin110110100110…
…100110011001
3222221012221202
4312212212121
512131021011
61230443545
7232444301
oct66464631
928835852
1014313881
11809725a
1249635b5
132c7226a
141c88601
1513cb23b
hexda6999

14313881 has 6 divisors (see below), whose sum is σ = 15205710. Its totient is φ = 13471616.

The previous prime is 14313877. The next prime is 14313899. The reversal of 14313881 is 18831341.

It can be written as a sum of positive squares in 3 ways, for example, as 2175625 + 12138256 = 1475^2 + 3484^2 .

It is not a de Polignac number, because 14313881 - 22 = 14313877 is a prime.

It is a super-2 number, since 2×143138812 = 409774378564322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14313841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24476 + ... + 25053.

It is an arithmetic number, because the mean of its divisors is an integer number (2534285).

Almost surely, 214313881 is an apocalyptic number.

It is an amenable number.

14313881 is a deficient number, since it is larger than the sum of its proper divisors (891829).

14313881 is an equidigital number, since it uses as much as digits as its factorization.

14313881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49563 (or 49546 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 14313881 is about 3783.3690013003. The cubic root of 14313881 is about 242.8021161044.

The spelling of 14313881 in words is "fourteen million, three hundred thirteen thousand, eight hundred eighty-one".

Divisors: 1 17 289 49529 841993 14313881