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5212881 = 322325183
BaseRepresentation
bin10011111000101011010001
3100210211201200
4103320223101
52313303011
6303421413
762210622
oct23705321
910724650
105212881
112a40573
1218b4869
13110695b
14999a49
156ce856
hex4f8ad1

5212881 has 12 divisors (see below), whose sum is σ = 7857408. Its totient is φ = 3324024.

The previous prime is 5212873. The next prime is 5212901. The reversal of 5212881 is 1882125.

5212881 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5212881 - 23 = 5212873 is a prime.

It is a super-2 number, since 2×52128812 = 54348256640322, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5212811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12385 + ... + 12798.

It is an arithmetic number, because the mean of its divisors is an integer number (654784).

Almost surely, 25212881 is an apocalyptic number.

It is an amenable number.

5212881 is a deficient number, since it is larger than the sum of its proper divisors (2644527).

5212881 is a wasteful number, since it uses less digits than its factorization.

5212881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25212 (or 25209 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 5212881 is about 2283.1734493901. The cubic root of 5212881 is about 173.3907547263.

The spelling of 5212881 in words is "five million, two hundred twelve thousand, eight hundred eighty-one".

Divisors: 1 3 9 23 69 207 25183 75549 226647 579209 1737627 5212881