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9980873 = 723471319
BaseRepresentation
bin100110000100…
…101111001001
3200210002011222
4212010233021
510023341443
6553531425
7150556520
oct46045711
920702158
109980873
1156a7861
123413b75
1320b5c56
14147b4b7
15d22468
hex984bc9

9980873 has 16 divisors (see below), whose sum is σ = 12165120. Its totient is φ = 8002896.

The previous prime is 9980869. The next prime is 9980899. The reversal of 9980873 is 3780899.

It is not a de Polignac number, because 9980873 - 22 = 9980869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6908 + ... + 8226.

It is an arithmetic number, because the mean of its divisors is an integer number (760320).

Almost surely, 29980873 is an apocalyptic number.

It is an amenable number.

9980873 is a deficient number, since it is larger than the sum of its proper divisors (2184247).

9980873 is a wasteful number, since it uses less digits than its factorization.

9980873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 9980873 is about 3159.2519684254. The cubic root of 9980873 is about 215.3060217597.

The spelling of 9980873 in words is "nine million, nine hundred eighty thousand, eight hundred seventy-three".

Divisors: 1 7 23 47 161 329 1081 1319 7567 9233 30337 61993 212359 433951 1425839 9980873