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10320993 = 33509751
BaseRepresentation
bin100111010111…
…110001100001
3201102100202000
4213113301201
510120232433
61005114213
7153504234
oct47276141
921370660
1010320993
11590a351
123558969
1321a49c7
14152941b
15d8d113
hex9d7c61

10320993 has 16 divisors (see below), whose sum is σ = 15340800. Its totient is φ = 6858000.

The previous prime is 10320983. The next prime is 10321021. The reversal of 10320993 is 39902301.

It is not a de Polignac number, because 10320993 - 212 = 10316897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10320943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13368 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (958800).

Almost surely, 210320993 is an apocalyptic number.

It is an amenable number.

10320993 is a deficient number, since it is larger than the sum of its proper divisors (5019807).

10320993 is an equidigital number, since it uses as much as digits as its factorization.

10320993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269 (or 1263 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 10320993 is about 3212.6302308233. The cubic root of 10320993 is about 217.7244294584.

The spelling of 10320993 in words is "ten million, three hundred twenty thousand, nine hundred ninety-three".

Divisors: 1 3 9 27 509 751 1527 2253 4581 6759 13743 20277 382259 1146777 3440331 10320993