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10109925 = 325273131
BaseRepresentation
bin100110100100…
…001111100101
3201000122012200
4212210033211
510042004200
61000405113
7151635000
oct46441745
921018180
1010109925
115785811
123476799
13212c907
1414b2537
15d4a800
hex9a43e5

10109925 has 72 divisors (see below), whose sum is σ = 21278400. Its totient is φ = 4586400.

The previous prime is 10109923. The next prime is 10109927. The reversal of 10109925 is 52990101.

It is a happy number.

10109925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10109923) and next prime (10109927).

It is not a de Polignac number, because 10109925 - 21 = 10109923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10109921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 77110 + ... + 77240.

Almost surely, 210109925 is an apocalyptic number.

10109925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10109925 is an abundant number, since it is smaller than the sum of its proper divisors (11168475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10109925 is a wasteful number, since it uses less digits than its factorization.

10109925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 10109925 is about 3179.6108252426. The cubic root of 10109925 is about 216.2300147479.

It can be divided in two parts, 101099 and 25, that added together give a square (101124 = 3182).

The spelling of 10109925 in words is "ten million, one hundred nine thousand, nine hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 35 45 49 63 75 105 131 147 175 225 245 315 343 393 441 525 655 735 917 1029 1179 1225 1575 1715 1965 2205 2751 3087 3275 3675 4585 5145 5895 6419 8253 8575 9825 11025 13755 15435 19257 22925 25725 29475 32095 41265 44933 57771 68775 77175 96285 134799 160475 206325 224665 288855 404397 481425 673995 1123325 1444275 2021985 3369975 10109925