Search a number
-
+
10869961 = 234111527
BaseRepresentation
bin101001011101…
…110011001001
3202110020210011
4221131303021
510240314321
61024551521
7161251564
oct51356311
922406704
1010869961
116154843
1237825a1
13233783b
14162d4db
15e4aae1
hexa5dcc9

10869961 has 8 divisors (see below), whose sum is σ = 11620224. Its totient is φ = 10142880.

The previous prime is 10869941. The next prime is 10869967. The reversal of 10869961 is 16996801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10869961 - 29 = 10869449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10869967) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4821 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (1452528).

Almost surely, 210869961 is an apocalyptic number.

It is an amenable number.

10869961 is a deficient number, since it is larger than the sum of its proper divisors (750263).

10869961 is a wasteful number, since it uses less digits than its factorization.

10869961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11591.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 10869961 is about 3296.9623898370. The cubic root of 10869961 is about 221.5181565660.

The spelling of 10869961 in words is "ten million, eight hundred sixty-nine thousand, nine hundred sixty-one".

Divisors: 1 23 41 943 11527 265121 472607 10869961