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103975 = 524159
BaseRepresentation
bin11001011000100111
312021121221
4121120213
511311400
62121211
7612064
oct313047
9167557
10103975
1171133
1250207
1338431
1429c6b
1520c1a
hex19627

103975 has 6 divisors (see below), whose sum is σ = 128960. Its totient is φ = 83160.

The previous prime is 103969. The next prime is 103979. The reversal of 103975 is 579301.

It is not a de Polignac number, because 103975 - 23 = 103967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 4159 = 103975 / (1 + 0 + 3 + 9 + 7 + 5).

103975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2055 + ... + 2104.

2103975 is an apocalyptic number.

103975 is a deficient number, since it is larger than the sum of its proper divisors (24985).

103975 is an equidigital number, since it uses as much as digits as its factorization.

103975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4164 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 103975 is about 322.4515467477. The cubic root of 103975 is about 47.0229252879.

The spelling of 103975 in words is "one hundred three thousand, nine hundred seventy-five".

Divisors: 1 5 25 4159 20795 103975