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5091917 = 6437919
BaseRepresentation
bin10011011011001001001101
3100120200210112
4103123021031
52300420132
6301045405
761165145
oct23331115
910520715
105091917
1129686a6
121856865
13109388c
14967925
156a8ab2
hex4db24d

5091917 has 4 divisors (see below), whose sum is σ = 5100480. Its totient is φ = 5083356.

The previous prime is 5091899. The next prime is 5091923. The reversal of 5091917 is 7191905.

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 5091917 - 28 = 5091661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091937) 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, 3317 + ... + 4602.

It is an arithmetic number, because the mean of its divisors is an integer number (1275120).

Almost surely, 25091917 is an apocalyptic number.

It is an amenable number.

5091917 is a deficient number, since it is larger than the sum of its proper divisors (8563).

5091917 is an equidigital number, since it uses as much as digits as its factorization.

5091917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 5091917 is about 2256.5276421972. The cubic root of 5091917 is about 172.0390775642.

The spelling of 5091917 in words is "five million, ninety-one thousand, nine hundred seventeen".

Divisors: 1 643 7919 5091917