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9981054 = 232554503
BaseRepresentation
bin100110000100…
…110001111110
3200210002102200
4212010301332
510023343204
6553532330
7150560166
oct46046176
920702380
109981054
1156a7a06
1234140a6
1320b6065
14147b5a6
15d22539
hex984c7e

9981054 has 12 divisors (see below), whose sum is σ = 21625656. Its totient is φ = 3327012.

The previous prime is 9981053. The next prime is 9981073. The reversal of 9981054 is 4501899.

9981054 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9981053) 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, 277234 + ... + 277269.

It is an arithmetic number, because the mean of its divisors is an integer number (1802138).

Almost surely, 29981054 is an apocalyptic number.

9981054 is an abundant number, since it is smaller than the sum of its proper divisors (11644602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9981054 is a wasteful number, since it uses less digits than its factorization.

9981054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554511 (or 554508 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 9981054 is about 3159.2806143171. The cubic root of 9981054 is about 215.3073232543.

The spelling of 9981054 in words is "nine million, nine hundred eighty-one thousand, fifty-four".

Divisors: 1 2 3 6 9 18 554503 1109006 1663509 3327018 4990527 9981054