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9953125 = 567213
BaseRepresentation
bin100101111101…
…111101100101
3200201200010021
4211331331211
510022000000
6553155141
7150412600
oct45757545
920650107
109953125
115688a26
1233bbab1
1320a6430
141471337
15d1911a
hex97df65

9953125 has 42 divisors (see below), whose sum is σ = 15585738. Its totient is φ = 6300000.

The previous prime is 9953113. The next prime is 9953129. The reversal of 9953125 is 5213599.

It is a happy number.

It can be written as a sum of positive squares in 7 ways, for example, as 9443329 + 509796 = 3073^2 + 714^2 .

It is not a de Polignac number, because 9953125 - 213 = 9944933 is a prime.

Its product of digits (12150) is a multiple of the sum of its prime divisors (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9953129) by changing a digit.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 765619 + ... + 765631.

It is an arithmetic number, because the mean of its divisors is an integer number (371089).

Almost surely, 29953125 is an apocalyptic number.

It is an amenable number.

9953125 is a deficient number, since it is larger than the sum of its proper divisors (5632613).

9953125 is an frugal number, since it uses more digits than its factorization.

9953125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57 (or 25 counting only the distinct ones).

The product of its digits is 12150, while the sum is 34.

The square root of 9953125 is about 3154.8573660310. The cubic root of 9953125 is about 215.1063112238.

The spelling of 9953125 in words is "nine million, nine hundred fifty-three thousand, one hundred twenty-five".

Divisors: 1 5 7 13 25 35 49 65 91 125 175 245 325 455 625 637 875 1225 1625 2275 3125 3185 4375 6125 8125 11375 15625 15925 21875 30625 40625 56875 79625 109375 153125 203125 284375 398125 765625 1421875 1990625 9953125