Base | Representation |
---|---|
bin | 111001111110… |
… | …0000000110101 |
3 | 2010012002111110 |
4 | 1303330000311 |
5 | 30240023443 |
6 | 3003225233 |
7 | 516221334 |
oct | 163740065 |
9 | 63162443 |
10 | 30392373 |
11 | 16179270 |
12 | a218219 |
13 | 63b176b |
14 | 4071d1b |
15 | 2a05233 |
hex | 1cfc035 |
30392373 has 16 divisors (see below), whose sum is σ = 45043776. Its totient is φ = 18071040.
The previous prime is 30392363. The next prime is 30392399. The reversal of 30392373 is 37329303.
It is not a de Polignac number, because 30392373 - 213 = 30384181 is a prime.
It is a super-2 number, since 2×303923732 = 1847392673142258, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30392373.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30392303) 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, 6940 + ... + 10437.
It is an arithmetic number, because the mean of its divisors is an integer number (2815236).
Almost surely, 230392373 is an apocalyptic number.
30392373 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
It is an amenable number.
30392373 is a deficient number, since it is larger than the sum of its proper divisors (14651403).
30392373 is a wasteful number, since it uses less digits than its factorization.
30392373 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17444.
The product of its (nonzero) digits is 10206, while the sum is 30.
The square root of 30392373 is about 5512.9278065289. The cubic root of 30392373 is about 312.0720473818.
The spelling of 30392373 in words is "thirty million, three hundred ninety-two thousand, three hundred seventy-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •