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10989097 = 73189569
BaseRepresentation
bin101001111010…
…111000101001
3202200022012121
4221322320221
510303122342
61031311241
7162256120
oct51727051
922608177
1010989097
1162262a9
12381b521
132379b32
141660ab7
15e71067
hexa7ae29

10989097 has 16 divisors (see below), whose sum is σ = 13132800. Its totient is φ = 8997120.

The previous prime is 10989079. The next prime is 10989109. The reversal of 10989097 is 79098901.

It is a cyclic number.

It is not a de Polignac number, because 10989097 - 223 = 2600489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10989047) 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 15 ways as a sum of consecutive naturals, for example, 19029 + ... + 19597.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 210989097 is an apocalyptic number.

It is an amenable number.

10989097 is a deficient number, since it is larger than the sum of its proper divisors (2143703).

10989097 is an equidigital number, since it uses as much as digits as its factorization.

10989097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696.

The product of its (nonzero) digits is 40824, while the sum is 43.

The square root of 10989097 is about 3314.9806937598. The cubic root of 10989097 is about 222.3245058122.

The spelling of 10989097 in words is "ten million, nine hundred eighty-nine thousand, ninety-seven".

Divisors: 1 7 31 89 217 569 623 2759 3983 17639 19313 50641 123473 354487 1569871 10989097