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5291109 = 33195967
BaseRepresentation
bin10100001011110001100101
3100221211001000
4110023301211
52323303414
6305223513
762654655
oct24136145
910854030
105291109
112a9431a
121931b99
131133445
149ba365
156e7b09
hex50bc65

5291109 has 8 divisors (see below), whose sum is σ = 7838720. Its totient is φ = 3527388.

The previous prime is 5291093. The next prime is 5291123. The reversal of 5291109 is 9011925.

It is a happy number.

It is not a de Polignac number, because 5291109 - 24 = 5291093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 195967 = 5291109 / (5 + 2 + 9 + 1 + 1 + 0 + 9).

It is a Duffinian number.

5291109 is a lucky number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5291129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97957 + ... + 98010.

It is an arithmetic number, because the mean of its divisors is an integer number (979840).

Almost surely, 25291109 is an apocalyptic number.

It is an amenable number.

5291109 is a deficient number, since it is larger than the sum of its proper divisors (2547611).

5291109 is a wasteful number, since it uses less digits than its factorization.

5291109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195976 (or 195970 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5291109 is about 2300.2410743224. The cubic root of 5291109 is about 174.2537913595.

The spelling of 5291109 in words is "five million, two hundred ninety-one thousand, one hundred nine".

Divisors: 1 3 9 27 195967 587901 1763703 5291109