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10981089 = 347107181
BaseRepresentation
bin101001111000…
…111011100001
3202122220020000
4221320323201
510302343324
61031210213
7162223560
oct51707341
922586200
1010981089
116220289
123816969
1323762b2
14165bbd7
15e6d9c9
hexa78ee1

10981089 has 40 divisors (see below), whose sum is σ = 19027008. Its totient is φ = 6181920.

The previous prime is 10981067. The next prime is 10981109. The reversal of 10981089 is 98018901.

It is not a de Polignac number, because 10981089 - 28 = 10980833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10981589) 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 39 ways as a sum of consecutive naturals, for example, 60579 + ... + 60759.

Almost surely, 210981089 is an apocalyptic number.

It is an amenable number.

10981089 is a deficient number, since it is larger than the sum of its proper divisors (8045919).

10981089 is a wasteful number, since it uses less digits than its factorization.

10981089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 10981089 is about 3313.7726234611. The cubic root of 10981089 is about 222.2704884141.

It can be divided in two parts, 1098 and 1089, that added together give a 7-th power (2187 = 37).

The spelling of 10981089 in words is "ten million, nine hundred eighty-one thousand, eighty-nine".

Divisors: 1 3 7 9 21 27 63 81 107 181 189 321 543 567 749 963 1267 1629 2247 2889 3801 4887 6741 8667 11403 14661 19367 20223 34209 58101 60669 102627 135569 174303 406707 522909 1220121 1568727 3660363 10981089