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9980892 = 2232277247
BaseRepresentation
bin100110000100…
…101111011100
3200210002012200
4212010233130
510023342032
6553531500
7150556545
oct46045734
920702180
109980892
1156a7879
123413b90
1320b5c6c
14147b4cc
15d2247c
hex984bdc

9980892 has 18 divisors (see below), whose sum is σ = 25229568. Its totient is φ = 3326952.

The previous prime is 9980869. The next prime is 9980899. The reversal of 9980892 is 2980899.

9980892 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 tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980899) 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, 138588 + ... + 138659.

Almost surely, 29980892 is an apocalyptic number.

It is an amenable number.

9980892 is an abundant number, since it is smaller than the sum of its proper divisors (15248676).

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

9980892 is a wasteful number, since it uses less digits than its factorization.

9980892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277257 (or 277252 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 9980892 is about 3159.2549754649. The cubic root of 9980892 is about 215.3061583814.

The spelling of 9980892 in words is "nine million, nine hundred eighty thousand, eight hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 277247 554494 831741 1108988 1663482 2495223 3326964 4990446 9980892