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5105091 = 31989563
BaseRepresentation
bin10011011110010111000011
3100121100212110
4103132113003
52301330331
6301230403
761251435
oct23362703
910540773
105105091
112977592
121862403
131099884
1496c655
156ac946
hex4de5c3

5105091 has 8 divisors (see below), whose sum is σ = 7165120. Its totient is φ = 3224232.

The previous prime is 5105063. The next prime is 5105101. The reversal of 5105091 is 1905015.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5105091 - 210 = 5104067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105021) 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 7 ways as a sum of consecutive naturals, for example, 44725 + ... + 44838.

It is an arithmetic number, because the mean of its divisors is an integer number (895640).

Almost surely, 25105091 is an apocalyptic number.

5105091 is a deficient number, since it is larger than the sum of its proper divisors (2060029).

5105091 is a wasteful number, since it uses less digits than its factorization.

5105091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89585.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 5105091 is about 2259.4448433188. Note that the first 3 decimals coincide. The cubic root of 5105091 is about 172.1873184595.

The spelling of 5105091 in words is "five million, one hundred five thousand, ninety-one".

Divisors: 1 3 19 57 89563 268689 1701697 5105091