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109417 = 731129
BaseRepresentation
bin11010101101101001
312120002111
4122231221
512000132
62202321
7634000
oct325551
9176074
10109417
1175230
12533a1
133aa59
142bc37
1522647
hex1ab69

109417 has 16 divisors (see below), whose sum is σ = 144000. Its totient is φ = 82320.

The previous prime is 109397. The next prime is 109423. The reversal of 109417 is 714901.

It is not a de Polignac number, because 109417 - 215 = 76649 is a prime.

It is a Duffinian number.

109417 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (109517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3759 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (9000).

2109417 is an apocalyptic number.

It is an amenable number.

109417 is a deficient number, since it is larger than the sum of its proper divisors (34583).

109417 is an equidigital number, since it uses as much as digits as its factorization.

109417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 109417 is about 330.7824058199. The cubic root of 109417 is about 47.8294001657.

It can be divided in two parts, 1094 and 17, that added together give a palindrome (1111).

The spelling of 109417 in words is "one hundred nine thousand, four hundred seventeen".

Divisors: 1 7 11 29 49 77 203 319 343 539 1421 2233 3773 9947 15631 109417