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9990737 is a prime number
BaseRepresentation
bin100110000111…
…001001010001
3200210120201022
4212013021101
510024200422
6554045225
7150630341
oct46071121
920716638
109990737
115704209
123419815
1320ba5a3
141480d21
15d25342
hex987251

9990737 has 2 divisors, whose sum is σ = 9990738. Its totient is φ = 9990736.

The previous prime is 9990733. The next prime is 9990767. The reversal of 9990737 is 7370999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 231361 = 3124^2 + 481^2 .

It is a cyclic number.

It is not a de Polignac number, because 9990737 - 22 = 9990733 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (9990731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995368 + 4995369.

It is an arithmetic number, because the mean of its divisors is an integer number (4995369).

Almost surely, 29990737 is an apocalyptic number.

It is an amenable number.

9990737 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990737 is an equidigital number, since it uses as much as digits as its factorization.

9990737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107163, while the sum is 44.

The square root of 9990737 is about 3160.8127119461. The cubic root of 9990737 is about 215.3769266911.

The spelling of 9990737 in words is "nine million, nine hundred ninety thousand, seven hundred thirty-seven".