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109475513 = 715639359
BaseRepresentation
bin1101000011001…
…11011010111001
321121222221011122
412201213122321
5211011204023
614510235025
72466345410
oct641473271
9247887148
10109475513
1156883634
12307b5a75
13198b0714
141077a477
1599272c8
hex68676b9

109475513 has 4 divisors (see below), whose sum is σ = 125114880. Its totient is φ = 93836148.

The previous prime is 109475501. The next prime is 109475519. The reversal of 109475513 is 315574901.

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, and also an emirpimes, since its reverse is a distinct semiprime: 315574901 = 793994619.

It is not a de Polignac number, because 109475513 - 210 = 109474489 is a prime.

It is a super-2 number, since 2×1094755132 = 23969775893226338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (109475519) 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, 7819673 + ... + 7819686.

It is an arithmetic number, because the mean of its divisors is an integer number (31278720).

Almost surely, 2109475513 is an apocalyptic number.

It is an amenable number.

109475513 is a deficient number, since it is larger than the sum of its proper divisors (15639367).

109475513 is an equidigital number, since it uses as much as digits as its factorization.

109475513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15639366.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 109475513 is about 10463.0546686902. The cubic root of 109475513 is about 478.3792456615.

The spelling of 109475513 in words is "one hundred nine million, four hundred seventy-five thousand, five hundred thirteen".

Divisors: 1 7 15639359 109475513