Search a number
-
+
10155215 = 571915271
BaseRepresentation
bin100110101111…
…010011001111
3201002221100002
4212233103033
510044431330
61001354515
7152214020
oct46572317
921087302
1010155215
115806844
123498a3b
132147405
1414c4c47
15d58e45
hex9af4cf

10155215 has 16 divisors (see below), whose sum is σ = 14661120. Its totient is φ = 6596640.

The previous prime is 10155199. The next prime is 10155241. The reversal of 10155215 is 51255101.

It is a happy number.

It is not a de Polignac number, because 10155215 - 24 = 10155199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6971 + ... + 8300.

It is an arithmetic number, because the mean of its divisors is an integer number (916320).

Almost surely, 210155215 is an apocalyptic number.

10155215 is a deficient number, since it is larger than the sum of its proper divisors (4505905).

10155215 is a wasteful number, since it uses less digits than its factorization.

10155215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15302.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 10155215 is about 3186.7248076983. The cubic root of 10155215 is about 216.5524197163.

The spelling of 10155215 in words is "ten million, one hundred fifty-five thousand, two hundred fifteen".

Divisors: 1 5 7 19 35 95 133 665 15271 76355 106897 290149 534485 1450745 2031043 10155215