Base | Representation |
---|---|
bin | 111001110001… |
… | …1100010010011 |
3 | 2002222222222012 |
4 | 1303203202103 |
5 | 30223321430 |
6 | 3001133135 |
7 | 515323130 |
oct | 163434223 |
9 | 62888865 |
10 | 30292115 |
11 | 1610aa07 |
12 | a18a1ab |
13 | 6377c39 |
14 | 4047587 |
15 | 29d5695 |
hex | 1ce3893 |
30292115 has 16 divisors (see below), whose sum is σ = 42885120. Its totient is φ = 20100960.
The previous prime is 30292103. The next prime is 30292123. The reversal of 30292115 is 51129203.
It is not a de Polignac number, because 30292115 - 210 = 30291091 is a prime.
It is a super-2 number, since 2×302921152 = 1835224462346450, which contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 12875 + ... + 15044.
It is an arithmetic number, because the mean of its divisors is an integer number (2680320).
Almost surely, 230292115 is an apocalyptic number.
30292115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
30292115 is a deficient number, since it is larger than the sum of its proper divisors (12593005).
30292115 is a wasteful number, since it uses less digits than its factorization.
30292115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27962.
The product of its (nonzero) digits is 540, while the sum is 23.
The square root of 30292115 is about 5503.8273047035. The cubic root of 30292115 is about 311.7285161680.
The spelling of 30292115 in words is "thirty million, two hundred ninety-two thousand, one hundred fifteen".
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