Search a number
-
+
10891902 = 2371913649
BaseRepresentation
bin101001100011…
…001001111110
3202111100212210
4221203021332
510242020102
61025241250
7161402550
oct51431176
922440783
1010891902
11616a27a
123793226
132344818
1416374d0
15e5236c
hexa6327e

10891902 has 32 divisors (see below), whose sum is σ = 26208000. Its totient is φ = 2947968.

The previous prime is 10891891. The next prime is 10891919. The reversal of 10891902 is 20919801.

It is a self number, because there is not a number n which added to its sum of digits gives 10891902.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6027 + ... + 7622.

It is an arithmetic number, because the mean of its divisors is an integer number (819000).

Almost surely, 210891902 is an apocalyptic number.

10891902 is an abundant number, since it is smaller than the sum of its proper divisors (15316098).

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

10891902 is a wasteful number, since it uses less digits than its factorization.

10891902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13680.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 10891902 is about 3300.2881692361. The cubic root of 10891902 is about 221.6671010852.

The spelling of 10891902 in words is "ten million, eight hundred ninety-one thousand, nine hundred two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 13649 27298 40947 81894 95543 191086 259331 286629 518662 573258 777993 1555986 1815317 3630634 5445951 10891902