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9980497 = 471311621
BaseRepresentation
bin100110000100…
…101001010001
3200210001200001
4212010221101
510023333442
6553530001
7150555442
oct46045121
920701601
109980497
1156a754a
123413901
1320b5a27
14147b2c9
15d222b7
hex984a51

9980497 has 8 divisors (see below), whose sum is σ = 10276992. Its totient is φ = 9687600.

The previous prime is 9980473. The next prime is 9980519. The reversal of 9980497 is 7940899.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9980497 is a prime.

It is a super-2 number, since 2×99804972 = 199220640734018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9980297) 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, 5347 + ... + 6967.

It is an arithmetic number, because the mean of its divisors is an integer number (1284624).

Almost surely, 29980497 is an apocalyptic number.

It is an amenable number.

9980497 is a deficient number, since it is larger than the sum of its proper divisors (296495).

9980497 is a wasteful number, since it uses less digits than its factorization.

9980497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 9980497 is about 3159.1924601075. The cubic root of 9980497 is about 215.3033180523.

The spelling of 9980497 in words is "nine million, nine hundred eighty thousand, four hundred ninety-seven".

Divisors: 1 47 131 1621 6157 76187 212351 9980497