Base | Representation |
---|---|
bin | 111010101001… |
… | …1110101110110 |
3 | 2010212100222100 |
4 | 1311103311312 |
5 | 30333031433 |
6 | 3015042530 |
7 | 522250215 |
oct | 165236566 |
9 | 63770870 |
10 | 30752118 |
11 | 163a4581 |
12 | a370446 |
13 | 64a9427 |
14 | 412707c |
15 | 2a76b13 |
hex | 1d53d76 |
30752118 has 24 divisors (see below), whose sum is σ = 66758328. Its totient is φ = 10230912.
The previous prime is 30752107. The next prime is 30752123. The reversal of 30752118 is 81125703.
It is a super-2 number, since 2×307521182 = 1891385522971848, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30752091 and 30752100.
It is a congruent number.
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, 10246 + ... + 12902.
It is an arithmetic number, because the mean of its divisors is an integer number (2781597).
Almost surely, 230752118 is an apocalyptic number.
30752118 is an abundant number, since it is smaller than the sum of its proper divisors (36006210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30752118 is a wasteful number, since it uses less digits than its factorization.
30752118 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3308 (or 3305 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 30752118 is about 5545.4592235450. The cubic root of 30752118 is about 313.2985206029.
It can be divided in two parts, 307 and 52118, that added together give a palindrome (52425).
The spelling of 30752118 in words is "thirty million, seven hundred fifty-two thousand, one hundred eighteen".
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