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9681925 = 52111719109
BaseRepresentation
bin100100111011…
…110000000101
3200012220002211
4210323300011
54434310200
6543303421
7145203121
oct44736005
920186084
109681925
1155131a0
1232aab71
13200cb66
141400581
15cb3aba
hex93bc05

9681925 has 48 divisors (see below), whose sum is σ = 14731200. Its totient is φ = 6220800.

The previous prime is 9681913. The next prime is 9681929. The reversal of 9681925 is 5291869.

It is not a de Polignac number, because 9681925 - 27 = 9681797 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681929) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 88771 + ... + 88879.

It is an arithmetic number, because the mean of its divisors is an integer number (306900).

Almost surely, 29681925 is an apocalyptic number.

9681925 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9681925 is a deficient number, since it is larger than the sum of its proper divisors (5049275).

9681925 is a wasteful number, since it uses less digits than its factorization.

9681925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 161 counting only the distinct ones).

The product of its digits is 38880, while the sum is 40.

The square root of 9681925 is about 3111.5791810590. The cubic root of 9681925 is about 213.1345737193.

The spelling of 9681925 in words is "nine million, six hundred eighty-one thousand, nine hundred twenty-five".

Divisors: 1 5 11 17 19 25 55 85 95 109 187 209 275 323 425 475 545 935 1045 1199 1615 1853 2071 2725 3553 4675 5225 5995 8075 9265 10355 17765 20383 22781 29975 35207 46325 51775 88825 101915 113905 176035 387277 509575 569525 880175 1936385 9681925