Search a number
-
+
10103172 = 223841931
BaseRepresentation
bin100110100010…
…100110000100
3201000021221120
4212202212010
510041300142
61000313540
7151606212
oct46424604
921007846
1010103172
115780732
1234728b0
132129811
1414adcb2
15d487ec
hex9a2984

10103172 has 12 divisors (see below), whose sum is σ = 23574096. Its totient is φ = 3367720.

The previous prime is 10103147. The next prime is 10103221. The reversal of 10103172 is 27130101.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×101031723 (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420954 + ... + 420977.

It is an arithmetic number, because the mean of its divisors is an integer number (1964508).

Almost surely, 210103172 is an apocalyptic number.

10103172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10103172 is an abundant number, since it is smaller than the sum of its proper divisors (13470924).

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

10103172 is a wasteful number, since it uses less digits than its factorization.

10103172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841938 (or 841936 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 10103172 is about 3178.5487254406. The cubic root of 10103172 is about 216.1818598728.

Adding to 10103172 its reverse (27130101), we get a palindrome (37233273).

The spelling of 10103172 in words is "ten million, one hundred three thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 841931 1683862 2525793 3367724 5051586 10103172