Base | Representation |
---|---|
bin | 111001100010… |
… | …0100010100100 |
3 | 2002202112211000 |
4 | 1303010202210 |
5 | 30210241111 |
6 | 2554313300 |
7 | 514254030 |
oct | 163044244 |
9 | 62675730 |
10 | 30165156 |
11 | 1603358a |
12 | a128830 |
13 | 6332208 |
14 | 40131c0 |
15 | 29acc56 |
hex | 1cc48a4 |
30165156 has 48 divisors (see below), whose sum is σ = 89380480. Its totient is φ = 8618400.
The previous prime is 30165151. The next prime is 30165173. The reversal of 30165156 is 65156103.
It is a happy number.
30165156 is a `hidden beast` number, since 3 + 0 + 1 + 651 + 5 + 6 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30165151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19195 + ... + 20706.
Almost surely, 230165156 is an apocalyptic number.
30165156 is a gapful number since it is divisible by the number (36) formed by its first and last digit.
It is an amenable number.
30165156 is an abundant number, since it is smaller than the sum of its proper divisors (59215324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30165156 is a wasteful number, since it uses less digits than its factorization.
30165156 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39921 (or 39913 counting only the distinct ones).
The product of its (nonzero) digits is 2700, while the sum is 27.
The square root of 30165156 is about 5492.2814931502. The cubic root of 30165156 is about 311.2924053125.
The spelling of 30165156 in words is "thirty million, one hundred sixty-five thousand, one hundred fifty-six".
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