Base | Representation |
---|---|
bin | 111010100011… |
… | …1100101000100 |
3 | 2010202211002010 |
4 | 1311013211010 |
5 | 30324430032 |
6 | 3014014220 |
7 | 521650614 |
oct | 165074504 |
9 | 63684063 |
10 | 30701892 |
11 | 1636a871 |
12 | a347370 |
13 | 648c600 |
14 | 4112a44 |
15 | 2a66ccc |
hex | 1d47944 |
30701892 has 36 divisors (see below), whose sum is σ = 77577360. Its totient is φ = 9446112.
The previous prime is 30701887. The next prime is 30701911. The reversal of 30701892 is 29810703.
It is a happy number.
It is an alternating number because its digits alternate between odd and even.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5542 + ... + 9597.
Almost surely, 230701892 is an apocalyptic number.
It is an amenable number.
30701892 is an abundant number, since it is smaller than the sum of its proper divisors (46875468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30701892 is a wasteful number, since it uses less digits than its factorization.
30701892 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15172 (or 15157 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 30.
The square root of 30701892 is about 5540.9288030077. The cubic root of 30701892 is about 313.1278623728.
The spelling of 30701892 in words is "thirty million, seven hundred one thousand, eight hundred ninety-two".
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