Search a number
-
+
10632981 = 341137631
BaseRepresentation
bin101000100011…
…111100010101
3202000012201010
4220203330111
510210223411
61015522433
7156243642
oct50437425
922005633
1010632981
116002797
123689419
132283a08
1415aadc9
15e007a6
hexa23f15

10632981 has 16 divisors (see below), whose sum is σ = 14652288. Its totient is φ = 6854400.

The previous prime is 10632959. The next prime is 10632991. The reversal of 10632981 is 18923601.

10632981 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10632981 - 214 = 10616597 is a prime.

It is a super-2 number, since 2×106329812 = 226120569892722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10632901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16536 + ... + 17166.

It is an arithmetic number, because the mean of its divisors is an integer number (915768).

Almost surely, 210632981 is an apocalyptic number.

It is an amenable number.

10632981 is a deficient number, since it is larger than the sum of its proper divisors (4019307).

10632981 is a wasteful number, since it uses less digits than its factorization.

10632981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 10632981 is about 3260.8252023069. The cubic root of 10632981 is about 219.8965146903.

The spelling of 10632981 in words is "ten million, six hundred thirty-two thousand, nine hundred eighty-one".

Divisors: 1 3 41 123 137 411 631 1893 5617 16851 25871 77613 86447 259341 3544327 10632981