Base | Representation |
---|---|
bin | 111001111011… |
… | …0101001000100 |
3 | 2010010222022121 |
4 | 1303312221010 |
5 | 30233322442 |
6 | 3002535324 |
7 | 516100234 |
oct | 163665104 |
9 | 63128277 |
10 | 30370372 |
11 | 1616378a |
12 | a207544 |
13 | 63a4746 |
14 | 4067cc4 |
15 | 29ed967 |
hex | 1cf6a44 |
30370372 has 12 divisors (see below), whose sum is σ = 53505900. Its totient is φ = 15082976.
The previous prime is 30370367. The next prime is 30370387. The reversal of 30370372 is 27307303.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 14258176 + 16112196 = 3776^2 + 4014^2 .
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 24883 + ... + 26074.
It is an arithmetic number, because the mean of its divisors is an integer number (4458825).
Almost surely, 230370372 is an apocalyptic number.
It is an amenable number.
30370372 is a deficient number, since it is larger than the sum of its proper divisors (23135528).
30370372 is a wasteful number, since it uses less digits than its factorization.
30370372 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51110 (or 51108 counting only the distinct ones).
The product of its (nonzero) digits is 2646, while the sum is 25.
The square root of 30370372 is about 5510.9320445819. The cubic root of 30370372 is about 311.9967263518.
Adding to 30370372 its reverse (27307303), we get a palindrome (57677675).
The spelling of 30370372 in words is "thirty million, three hundred seventy thousand, three hundred seventy-two".
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