Base | Representation |
---|---|
bin | 111001111011… |
… | …0110001111110 |
3 | 2010011000002201 |
4 | 1303312301332 |
5 | 30233332232 |
6 | 3002542114 |
7 | 516102010 |
oct | 163666176 |
9 | 63130081 |
10 | 30370942 |
11 | 16164158 |
12 | a20793a |
13 | 63a4a94 |
14 | 40681b0 |
15 | 29edbe7 |
hex | 1cf6c7e |
30370942 has 16 divisors (see below), whose sum is σ = 55127520. Its totient is φ = 12250368.
The previous prime is 30370939. The next prime is 30371023. The reversal of 30370942 is 24907303.
It is a self number, because there is not a number n which added to its sum of digits gives 30370942.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63567 + ... + 64042.
It is an arithmetic number, because the mean of its divisors is an integer number (3445470).
Almost surely, 230370942 is an apocalyptic number.
30370942 is a deficient number, since it is larger than the sum of its proper divisors (24756578).
30370942 is a wasteful number, since it uses less digits than its factorization.
30370942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 127635.
The product of its (nonzero) digits is 4536, while the sum is 28.
The square root of 30370942 is about 5510.9837597293. The cubic root of 30370942 is about 311.9986782214.
The spelling of 30370942 in words is "thirty million, three hundred seventy thousand, nine hundred forty-two".
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