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103125 = 35511
BaseRepresentation
bin11001001011010101
312020110110
4121023111
511300000
62113233
7606441
oct311325
9166413
10103125
1170530
124b819
1337c29
1429821
1520850
hex192d5

103125 has 24 divisors (see below), whose sum is σ = 187488. Its totient is φ = 50000.

The previous prime is 103123. The next prime is 103141. The reversal of 103125 is 521301.

Adding to 103125 its reverse (521301), we get a palindrome (624426).

It is not a de Polignac number, because 103125 - 21 = 103123 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103125.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 103125.

It is not an unprimeable number, because it can be changed into a prime (103123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9370 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (7812).

2103125 is an apocalyptic number.

103125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103125 is a deficient number, since it is larger than the sum of its proper divisors (84363).

103125 is an frugal number, since it uses more digits than its factorization.

103125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 103125 is about 321.1308144666. The cubic root of 103125 is about 46.8944363842.

The spelling of 103125 in words is "one hundred three thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 165 275 375 625 825 1375 1875 3125 4125 6875 9375 20625 34375 103125