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109132197 = 31719910753
BaseRepresentation
bin1101000000100…
…11100110100101
321121100111020020
412200103212211
5210414212242
614455025353
72463415446
oct640234645
9247314206
10109132197
11566696a9
123066b259
13197c0385
14106cb2cd
1598aa6ec
hex68139a5

109132197 has 16 divisors (see below), whose sum is σ = 154857600. Its totient is φ = 68124672.

The previous prime is 109132193. The next prime is 109132211. The reversal of 109132197 is 791231901.

It is not a de Polignac number, because 109132197 - 22 = 109132193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109132193) 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, 4773 + ... + 15525.

It is an arithmetic number, because the mean of its divisors is an integer number (9678600).

Almost surely, 2109132197 is an apocalyptic number.

109132197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

109132197 is a deficient number, since it is larger than the sum of its proper divisors (45725403).

109132197 is a wasteful number, since it uses less digits than its factorization.

109132197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10972.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 109132197 is about 10446.6356785331. The cubic root of 109132197 is about 477.8786550870.

The spelling of 109132197 in words is "one hundred nine million, one hundred thirty-two thousand, one hundred ninety-seven".

Divisors: 1 3 17 51 199 597 3383 10149 10753 32259 182801 548403 2139847 6419541 36377399 109132197