Base | Representation |
---|---|
bin | 111001011110… |
… | …1101110100110 |
3 | 2002201010112121 |
4 | 1302331232212 |
5 | 30203343004 |
6 | 2553540154 |
7 | 514106500 |
oct | 162755646 |
9 | 62633477 |
10 | 30137254 |
11 | 16014624 |
12 | a11465a |
13 | 63225c4 |
14 | 4006d70 |
15 | 29a4854 |
hex | 1cbdba6 |
30137254 has 12 divisors (see below), whose sum is σ = 52586604. Its totient is φ = 12915924.
The previous prime is 30137251. The next prime is 30137267. The reversal of 30137254 is 45273103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30137251) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153664 + ... + 153859.
It is an arithmetic number, because the mean of its divisors is an integer number (4382217).
Almost surely, 230137254 is an apocalyptic number.
30137254 is a deficient number, since it is larger than the sum of its proper divisors (22449350).
30137254 is a wasteful number, since it uses less digits than its factorization.
30137254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 307539 (or 307532 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 30137254 is about 5489.7407953382. The cubic root of 30137254 is about 311.1963965258.
The spelling of 30137254 in words is "thirty million, one hundred thirty-seven thousand, two hundred fifty-four".
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