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109106925 = 3521454759
BaseRepresentation
bin1101000000011…
…01011011101101
321121022012120020
412200031123231
5210412410200
614454312353
72463251664
oct640153355
9247265506
10109106925
1156651714
12306586b9
13197b1a15
14106c1ddb
1598a2ea0
hex680d6ed

109106925 has 12 divisors (see below), whose sum is σ = 180390240. Its totient is φ = 58190320.

The previous prime is 109106923. The next prime is 109106941. The reversal of 109106925 is 529601901.

It is not a de Polignac number, because 109106925 - 21 = 109106923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109106923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 727305 + ... + 727454.

It is an arithmetic number, because the mean of its divisors is an integer number (15032520).

Almost surely, 2109106925 is an apocalyptic number.

109106925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109106925 is a deficient number, since it is larger than the sum of its proper divisors (71283315).

109106925 is a wasteful number, since it uses less digits than its factorization.

109106925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454772 (or 1454767 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 33.

The square root of 109106925 is about 10445.4260324795. The cubic root of 109106925 is about 477.8417644106.

The spelling of 109106925 in words is "one hundred nine million, one hundred six thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 25 75 1454759 4364277 7273795 21821385 36368975 109106925