Base | Representation |
---|---|
bin | 111001100001… |
… | …0000010100010 |
3 | 2002202000202200 |
4 | 1303002002202 |
5 | 30204424124 |
6 | 2554154030 |
7 | 514212126 |
oct | 163020242 |
9 | 62660680 |
10 | 30154914 |
11 | 16026919 |
12 | a122916 |
13 | 632a65a |
14 | 400d586 |
15 | 29a9bc9 |
hex | 1cc20a2 |
30154914 has 12 divisors (see below), whose sum is σ = 65335686. Its totient is φ = 10051632.
The previous prime is 30154879. The next prime is 30154921. The reversal of 30154914 is 41945103.
It can be written as a sum of positive squares in only one way, i.e., 24176889 + 5978025 = 4917^2 + 2445^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 837619 + ... + 837654.
Almost surely, 230154914 is an apocalyptic number.
30154914 is an abundant number, since it is smaller than the sum of its proper divisors (35180772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30154914 is a wasteful number, since it uses less digits than its factorization.
30154914 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1675281 (or 1675278 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 30154914 is about 5491.3490145865. The cubic root of 30154914 is about 311.2571702030.
The spelling of 30154914 in words is "thirty million, one hundred fifty-four thousand, nine hundred fourteen".
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