Base | Representation |
---|---|
bin | 111001100000… |
… | …1101111011000 |
3 | 2002201222002021 |
4 | 1303001233120 |
5 | 30204404223 |
6 | 2554144224 |
7 | 514205425 |
oct | 163015730 |
9 | 62658067 |
10 | 30153688 |
11 | 16025a04 |
12 | a122074 |
13 | 6329c26 |
14 | 400cd4c |
15 | 29a965d |
hex | 1cc1bd8 |
30153688 has 16 divisors (see below), whose sum is σ = 56619360. Its totient is φ = 15055200.
The previous prime is 30153677. The next prime is 30153689. The reversal of 30153688 is 88635103.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30153689) 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 3 ways as a sum of consecutive naturals, for example, 4273 + ... + 8863.
It is an arithmetic number, because the mean of its divisors is an integer number (3538710).
Almost surely, 230153688 is an apocalyptic number.
It is an amenable number.
30153688 is a deficient number, since it is larger than the sum of its proper divisors (26465672).
30153688 is a wasteful number, since it uses less digits than its factorization.
30153688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5418 (or 5414 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 34.
The square root of 30153688 is about 5491.2373833226. The cubic root of 30153688 is about 311.2529519136.
The spelling of 30153688 in words is "thirty million, one hundred fifty-three thousand, six hundred eighty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •