Base | Representation |
---|---|
bin | 111010100000… |
… | …0001010000100 |
3 | 2010201021101012 |
4 | 1311000022010 |
5 | 30322441432 |
6 | 3013221352 |
7 | 521463155 |
oct | 165001204 |
9 | 63637335 |
10 | 30671492 |
11 | 16349a45 |
12 | a331858 |
13 | 647b817 |
14 | 410592c |
15 | 2a5ccb2 |
hex | 1d40284 |
30671492 has 6 divisors (see below), whose sum is σ = 53675118. Its totient is φ = 15335744.
The previous prime is 30671479. The next prime is 30671527. The reversal of 30671492 is 29417603.
It can be written as a sum of positive squares in only one way, i.e., 20647936 + 10023556 = 4544^2 + 3166^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833933 + ... + 3833940.
It is an arithmetic number, because the mean of its divisors is an integer number (8945853).
Almost surely, 230671492 is an apocalyptic number.
It is an amenable number.
30671492 is a deficient number, since it is larger than the sum of its proper divisors (23003626).
30671492 is a wasteful number, since it uses less digits than its factorization.
30671492 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7667877 (or 7667875 counting only the distinct ones).
The product of its (nonzero) digits is 9072, while the sum is 32.
The square root of 30671492 is about 5538.1849012109. The cubic root of 30671492 is about 313.0244786185.
The spelling of 30671492 in words is "thirty million, six hundred seventy-one thousand, four hundred ninety-two".
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