Base | Representation |
---|---|
bin | 111010011000… |
… | …1111010010001 |
3 | 2010121022022220 |
4 | 1310301322101 |
5 | 30314110022 |
6 | 3012051253 |
7 | 521131062 |
oct | 164617221 |
9 | 63538286 |
10 | 30613137 |
11 | 1630a115 |
12 | a303b29 |
13 | 645b0a9 |
14 | 40cc569 |
15 | 2a4a85c |
hex | 1d31e91 |
30613137 has 8 divisors (see below), whose sum is σ = 40887840. Its totient is φ = 20373600.
The previous prime is 30613129. The next prime is 30613157. The reversal of 30613137 is 73131603.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30613137 - 23 = 30613129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (30613157) 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 7 ways as a sum of consecutive naturals, for example, 6687 + ... + 10292.
It is an arithmetic number, because the mean of its divisors is an integer number (5110980).
Almost surely, 230613137 is an apocalyptic number.
It is an amenable number.
30613137 is a deficient number, since it is larger than the sum of its proper divisors (10274703).
30613137 is a wasteful number, since it uses less digits than its factorization.
30613137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17583.
The product of its (nonzero) digits is 1134, while the sum is 24.
The square root of 30613137 is about 5532.9139700523. The cubic root of 30613137 is about 312.8258344374.
The spelling of 30613137 in words is "thirty million, six hundred thirteen thousand, one hundred thirty-seven".
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