Base | Representation |
---|---|
bin | 111001111001… |
… | …0001100001001 |
3 | 2010010001022020 |
4 | 1303302030021 |
5 | 30232232022 |
6 | 3002315053 |
7 | 515663124 |
oct | 163621411 |
9 | 63101266 |
10 | 30352137 |
11 | 16151012 |
12 | a1b8a89 |
13 | 639935a |
14 | 40613bb |
15 | 29e835c |
hex | 1cf2309 |
30352137 has 8 divisors (see below), whose sum is σ = 41155680. Its totient is φ = 19891680.
The previous prime is 30352121. The next prime is 30352141. The reversal of 30352137 is 73125303.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30352137 - 24 = 30352121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30352237) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85564 + ... + 85917.
It is an arithmetic number, because the mean of its divisors is an integer number (5144460).
Almost surely, 230352137 is an apocalyptic number.
It is an amenable number.
30352137 is a deficient number, since it is larger than the sum of its proper divisors (10803543).
30352137 is a wasteful number, since it uses less digits than its factorization.
30352137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 171543.
The product of its (nonzero) digits is 1890, while the sum is 24.
The square root of 30352137 is about 5509.2773573310. The cubic root of 30352137 is about 311.9342707527.
The spelling of 30352137 in words is "thirty million, three hundred fifty-two thousand, one hundred thirty-seven".
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