Base | Representation |
---|---|
bin | 111001111110… |
… | …1001110001011 |
3 | 2010012100021210 |
4 | 1303331032023 |
5 | 30240203243 |
6 | 3003304203 |
7 | 516241635 |
oct | 163751613 |
9 | 63170253 |
10 | 30397323 |
11 | 16181a60 |
12 | a21b063 |
13 | 63b3aa8 |
14 | 4073a55 |
15 | 2a06933 |
hex | 1cfd38b |
30397323 has 16 divisors (see below), whose sum is σ = 44568576. Its totient is φ = 18275040.
The previous prime is 30397303. The next prime is 30397349. The reversal of 30397323 is 32379303.
It is not a de Polignac number, because 30397323 - 25 = 30397291 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30397303) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565 + ... + 7817.
It is an arithmetic number, because the mean of its divisors is an integer number (2785536).
Almost surely, 230397323 is an apocalyptic number.
30397323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
30397323 is a deficient number, since it is larger than the sum of its proper divisors (14171253).
30397323 is a wasteful number, since it uses less digits than its factorization.
30397323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7394.
The product of its (nonzero) digits is 10206, while the sum is 30.
The square root of 30397323 is about 5513.3767330013. The cubic root of 30397323 is about 312.0889888338.
The spelling of 30397323 in words is "thirty million, three hundred ninety-seven thousand, three hundred twenty-three".
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