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9980469 = 33369647
BaseRepresentation
bin100110000100…
…101000110101
3200210001122000
4212010220311
510023333334
6553525513
7150555402
oct46045065
920701560
109980469
1156a7524
123413899
1320b5a05
14147b2a9
15d22299
hex984a35

9980469 has 8 divisors (see below), whose sum is σ = 14785920. Its totient is φ = 6653628.

The previous prime is 9980461. The next prime is 9980471. The reversal of 9980469 is 9640899.

It is not a de Polignac number, because 9980469 - 23 = 9980461 is a prime.

It is a super-2 number, since 2×99804692 = 199219522919922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184797 + ... + 184850.

It is an arithmetic number, because the mean of its divisors is an integer number (1848240).

Almost surely, 29980469 is an apocalyptic number.

It is an amenable number.

9980469 is a deficient number, since it is larger than the sum of its proper divisors (4805451).

9980469 is a wasteful number, since it uses less digits than its factorization.

9980469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369656 (or 369650 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9980469 is about 3159.1880285922. The cubic root of 9980469 is about 215.3031167097.

The spelling of 9980469 in words is "nine million, nine hundred eighty thousand, four hundred sixty-nine".

Divisors: 1 3 9 27 369647 1108941 3326823 9980469