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23150125 = 53435973
BaseRepresentation
bin101100001001…
…1111000101101
31121120011000001
41120103320231
521411301000
62144104301
7400526035
oct130237055
947504001
1023150125
1112082039
127905091
134a471cb
1431088c5
15207446a
hex1613e2d

23150125 has 32 divisors (see below), whose sum is σ = 30476160. Its totient is φ = 17539200.

The previous prime is 23150119. The next prime is 23150129. The reversal of 23150125 is 52105132.

It is not a de Polignac number, because 23150125 - 221 = 21052973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 317089 + ... + 317161.

It is an arithmetic number, because the mean of its divisors is an integer number (952380).

Almost surely, 223150125 is an apocalyptic number.

23150125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23150125 is a deficient number, since it is larger than the sum of its proper divisors (7326035).

23150125 is an equidigital number, since it uses as much as digits as its factorization.

23150125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 23150125 is about 4811.4576793317. The cubic root of 23150125 is about 285.0041037677.

Adding to 23150125 its reverse (52105132), we get a palindrome (75255257).

The spelling of 23150125 in words is "twenty-three million, one hundred fifty thousand, one hundred twenty-five".

Divisors: 1 5 25 43 59 73 125 215 295 365 1075 1475 1825 2537 3139 4307 5375 7375 9125 12685 15695 21535 63425 78475 107675 185201 317125 392375 538375 926005 4630025 23150125