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9997320 = 233583311
BaseRepresentation
bin100110001000…
…110000001000
3200210220202010
4212020300020
510024403240
6554135520
7150655464
oct46106010
920726663
109997320
115709153
1234215a0
1320c0598
1414834a4
15d27280
hex988c08

9997320 has 32 divisors (see below), whose sum is σ = 29992320. Its totient is φ = 2665920.

The previous prime is 9997319. The next prime is 9997321. The reversal of 9997320 is 237999.

It is an interprime number because it is at equal distance from previous prime (9997319) and next prime (9997321).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9997321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41536 + ... + 41775.

It is an arithmetic number, because the mean of its divisors is an integer number (937260).

Almost surely, 29997320 is an apocalyptic number.

It is an amenable number.

9997320 is an abundant number, since it is smaller than the sum of its proper divisors (19995000).

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

9997320 is a wasteful number, since it uses less digits than its factorization.

9997320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83325 (or 83321 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

The square root of 9997320 is about 3161.8538865672. The cubic root of 9997320 is about 215.4242210004.

The spelling of 9997320 in words is "nine million, nine hundred ninety-seven thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 83311 166622 249933 333244 416555 499866 666488 833110 999732 1249665 1666220 1999464 2499330 3332440 4998660 9997320