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5051881 = 23219647
BaseRepresentation
bin10011010001010111101001
3100111122212201
4103101113221
52243130011
6300140201
760640342
oct23212751
910448781
105051881
11294060a
121837661
13107b5a3
149570c9
1569bcc1
hex4d15e9

5051881 has 4 divisors (see below), whose sum is σ = 5271552. Its totient is φ = 4832212.

The previous prime is 5051861. The next prime is 5051903. The reversal of 5051881 is 1881505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5051881 - 29 = 5051369 is a prime.

It is a super-2 number, since 2×50518812 = 51043003276322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5051821) 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, 109801 + ... + 109846.

It is an arithmetic number, because the mean of its divisors is an integer number (1317888).

Almost surely, 25051881 is an apocalyptic number.

It is an amenable number.

5051881 is a deficient number, since it is larger than the sum of its proper divisors (219671).

5051881 is a wasteful number, since it uses less digits than its factorization.

5051881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219670.

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 5051881 is about 2247.6389834669. The cubic root of 5051881 is about 171.5869958432.

The spelling of 5051881 in words is "five million, fifty-one thousand, eight hundred eighty-one".

Divisors: 1 23 219647 5051881