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9997626 = 231666271
BaseRepresentation
bin100110001000…
…110100111010
3200210221011110
4212020310322
510024411001
6554141150
7150656412
oct46106472
920727143
109997626
115709401
1234217b6
1320c0772
141483642
15d273d6
hex988d3a

9997626 has 8 divisors (see below), whose sum is σ = 19995264. Its totient is φ = 3332540.

The previous prime is 9997621. The next prime is 9997627. The reversal of 9997626 is 6267999.

It is a happy number.

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

9997626 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9997621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833130 + ... + 833141.

It is an arithmetic number, because the mean of its divisors is an integer number (2499408).

Almost surely, 29997626 is an apocalyptic number.

9997626 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9997626 is a wasteful number, since it uses less digits than its factorization.

9997626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666276.

The product of its digits is 367416, while the sum is 48.

The square root of 9997626 is about 3161.9022755297. The cubic root of 9997626 is about 215.4264188940.

The spelling of 9997626 in words is "nine million, nine hundred ninety-seven thousand, six hundred twenty-six".

Divisors: 1 2 3 6 1666271 3332542 4998813 9997626