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10909089 = 321212121
BaseRepresentation
bin101001100111…
…010110100001
3202112020110100
4221213112201
510243042324
61025453013
7161503632
oct51472641
922466410
1010909089
116181184
1237a1169
13234c5a9
14163d889
15e574c9
hexa675a1

10909089 has 6 divisors (see below), whose sum is σ = 15757586. Its totient is φ = 7272720.

The previous prime is 10909081. The next prime is 10909099. The reversal of 10909089 is 98090901.

10909089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8294400 + 2614689 = 2880^2 + 1617^2 .

It is not a de Polignac number, because 10909089 - 23 = 10909081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10909081) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 606052 + ... + 606069.

Almost surely, 210909089 is an apocalyptic number.

It is an amenable number.

10909089 is a deficient number, since it is larger than the sum of its proper divisors (4848497).

10909089 is a wasteful number, since it uses less digits than its factorization.

10909089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212127 (or 1212124 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 36.

The square root of 10909089 is about 3302.8910063761. The cubic root of 10909089 is about 221.7836338487.

The spelling of 10909089 in words is "ten million, nine hundred nine thousand, eighty-nine".

Divisors: 1 3 9 1212121 3636363 10909089