Base | Representation |
---|---|
bin | 111001011010… |
… | …1101001001010 |
3 | 2002122110010002 |
4 | 1302311221022 |
5 | 30201313023 |
6 | 2553123002 |
7 | 513611111 |
oct | 162655112 |
9 | 62573102 |
10 | 30104138 |
11 | 15aa1759 |
12 | a0b9462 |
13 | 63104cc |
14 | 3dd8c78 |
15 | 2999b28 |
hex | 1cb5a4a |
30104138 has 4 divisors (see below), whose sum is σ = 45156210. Its totient is φ = 15052068.
The previous prime is 30104099. The next prime is 30104141. The reversal of 30104138 is 83140103.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 29560969 + 543169 = 5437^2 + 737^2 .
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 as a sum of consecutive naturals, namely, 7526033 + ... + 7526036.
Almost surely, 230104138 is an apocalyptic number.
30104138 is a deficient number, since it is larger than the sum of its proper divisors (15052072).
30104138 is a wasteful number, since it uses less digits than its factorization.
30104138 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15052071.
The product of its (nonzero) digits is 288, while the sum is 20.
The square root of 30104138 is about 5486.7237947613. The cubic root of 30104138 is about 311.0823698033.
The spelling of 30104138 in words is "thirty million, one hundred four thousand, one hundred thirty-eight".
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