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9980286 = 231663381
BaseRepresentation
bin100110000100…
…100101111110
3200210001101020
4212010211332
510023332121
6553525010
7150555021
oct46044576
920701336
109980286
1156a7378
123413766
1320b58c4
14147b1b8
15d221c6
hex98497e

9980286 has 8 divisors (see below), whose sum is σ = 19960584. Its totient is φ = 3326760.

The previous prime is 9980281. The next prime is 9980287. The reversal of 9980286 is 6820899.

9980286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9980286 is an admirable number.

It is a super-2 number, since 2×99802862 = 199212217283592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831685 + ... + 831696.

It is an arithmetic number, because the mean of its divisors is an integer number (2495073).

Almost surely, 29980286 is an apocalyptic number.

9980286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9980286 is a wasteful number, since it uses less digits than its factorization.

9980286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663386.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 9980286 is about 3159.1590653210. The cubic root of 9980286 is about 215.3018007825.

The spelling of 9980286 in words is "nine million, nine hundred eighty thousand, two hundred eighty-six".

Divisors: 1 2 3 6 1663381 3326762 4990143 9980286