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9980753 = 41243433
BaseRepresentation
bin100110000100…
…101101010001
3200210002000112
4212010231101
510023341003
6553531105
7150556256
oct46045521
920702015
109980753
1156a7762
123413a95
1320b5b93
14147b42d
15d223d8
hex984b51

9980753 has 4 divisors (see below), whose sum is σ = 10224228. Its totient is φ = 9737280.

The previous prime is 9980749. The next prime is 9980771. The reversal of 9980753 is 3570899.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5345344 + 4635409 = 2312^2 + 2153^2 .

It is a cyclic number.

It is not a de Polignac number, because 9980753 - 22 = 9980749 is a prime.

It is a super-3 number, since 3×99807533 (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 243433 = 9980753 / (9 + 9 + 8 + 0 + 7 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9980753.

It is not an unprimeable number, because it can be changed into a prime (9980723) 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, 121676 + ... + 121757.

It is an arithmetic number, because the mean of its divisors is an integer number (2556057).

Almost surely, 29980753 is an apocalyptic number.

It is an amenable number.

9980753 is a deficient number, since it is larger than the sum of its proper divisors (243475).

9980753 is a wasteful number, since it uses less digits than its factorization.

9980753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243474.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 9980753 is about 3159.2329765309. The cubic root of 9980753 is about 215.3051588818.

The spelling of 9980753 in words is "nine million, nine hundred eighty thousand, seven hundred fifty-three".

Divisors: 1 41 243433 9980753