Base | Representation |
---|---|
bin | 111010111000… |
… | …0000100011110 |
3 | 2011002020120201 |
4 | 1311300010132 |
5 | 30400231432 |
6 | 3021334114 |
7 | 523241263 |
oct | 165600436 |
9 | 64066521 |
10 | 30867742 |
11 | 16473434 |
12 | a40733a |
13 | 6519c49 |
14 | 415726a |
15 | 2a9aee7 |
hex | 1d7011e |
30867742 has 8 divisors (see below), whose sum is σ = 48738600. Its totient is φ = 14621544.
The previous prime is 30867737. The next prime is 30867751. The reversal of 30867742 is 24776803.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406117 + ... + 406192.
It is an arithmetic number, because the mean of its divisors is an integer number (6092325).
Almost surely, 230867742 is an apocalyptic number.
30867742 is a deficient number, since it is larger than the sum of its proper divisors (17870858).
30867742 is a wasteful number, since it uses less digits than its factorization.
30867742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 812330.
The product of its (nonzero) digits is 56448, while the sum is 37.
The square root of 30867742 is about 5555.8745486197. The cubic root of 30867742 is about 313.6906835374.
The spelling of 30867742 in words is "thirty million, eight hundred sixty-seven thousand, seven hundred forty-two".
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