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9997633 = 12777829
BaseRepresentation
bin100110001000…
…110101000001
3200210221011201
4212020311001
510024411013
6554141201
7150656422
oct46106501
920727151
109997633
115709408
123421801
1320c0779
141483649
15d273dd
hex988d41

9997633 has 4 divisors (see below), whose sum is σ = 10006740. Its totient is φ = 9988528.

The previous prime is 9997627. The next prime is 9997643. The reversal of 9997633 is 3367999.

9997633 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 3732624 + 6265009 = 1932^2 + 2503^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997633 - 25 = 9997601 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9997613) 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, 2638 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (2501685).

Almost surely, 29997633 is an apocalyptic number.

It is an amenable number.

9997633 is a deficient number, since it is larger than the sum of its proper divisors (9107).

9997633 is a wasteful number, since it uses less digits than its factorization.

9997633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9106.

The product of its digits is 275562, while the sum is 46.

The square root of 9997633 is about 3161.9033824581. The cubic root of 9997633 is about 215.4264691721.

The spelling of 9997633 in words is "nine million, nine hundred ninety-seven thousand, six hundred thirty-three".

Divisors: 1 1277 7829 9997633