Search a number
-
+
10989807 = 331111779
BaseRepresentation
bin101001111011…
…000011101111
3202200100011220
4221323003233
510303133212
61031314423
7162261153
oct51730357
922610156
1010989807
116226894
12381ba13
13237a25a
141661063
15e7138c
hexa7b0ef

10989807 has 8 divisors (see below), whose sum is σ = 14701440. Its totient is φ = 7302360.

The previous prime is 10989787. The next prime is 10989817. The reversal of 10989807 is 70898901.

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

It is a de Polignac number, because none of the positive numbers 2k-10989807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4957 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (1837680).

Almost surely, 210989807 is an apocalyptic number.

10989807 is a deficient number, since it is larger than the sum of its proper divisors (3711633).

10989807 is a wasteful number, since it uses less digits than its factorization.

10989807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 10989807 is about 3315.0877816432. The cubic root of 10989807 is about 222.3292938004.

The spelling of 10989807 in words is "ten million, nine hundred eighty-nine thousand, eight hundred seven".

Divisors: 1 3 311 933 11779 35337 3663269 10989807