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109148305 = 573118523
BaseRepresentation
bin1101000000101…
…11100010010001
321121101022022211
412200113202101
5210420221210
614455232121
72463513430
oct640274221
9247338284
10109148305
115667a812
1230678641
13197c77c6
14106d3117
1598b038a
hex6817891

109148305 has 8 divisors (see below), whose sum is σ = 149689152. Its totient is φ = 74844528.

The previous prime is 109148269. The next prime is 109148323. The reversal of 109148305 is 503841901.

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

It is a cyclic number.

It is not a de Polignac number, because 109148305 - 213 = 109140113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1559227 + ... + 1559296.

It is an arithmetic number, because the mean of its divisors is an integer number (18711144).

Almost surely, 2109148305 is an apocalyptic number.

It is an amenable number.

109148305 is a deficient number, since it is larger than the sum of its proper divisors (40540847).

109148305 is an equidigital number, since it uses as much as digits as its factorization.

109148305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118535.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 109148305 is about 10447.4066159981. The cubic root of 109148305 is about 477.9021656882.

The spelling of 109148305 in words is "one hundred nine million, one hundred forty-eight thousand, three hundred five".

Divisors: 1 5 7 35 3118523 15592615 21829661 109148305