Base | Representation |
---|---|
bin | 111010010110… |
… | …1101110011000 |
3 | 2010120102210220 |
4 | 1310231232120 |
5 | 30313032432 |
6 | 3011440040 |
7 | 521030100 |
oct | 164555630 |
9 | 63512726 |
10 | 30595992 |
11 | 162a8249 |
12 | a2b6020 |
13 | 645334b |
14 | 40c6200 |
15 | 2a4572c |
hex | 1d2db98 |
30595992 has 48 divisors (see below), whose sum is σ = 88981560. Its totient is φ = 8741376.
The previous prime is 30595991. The next prime is 30596009. The reversal of 30595992 is 29959503.
It is a super-2 number, since 2×305959922 = 1872229452928128, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30595991) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11833 + ... + 14184.
Almost surely, 230595992 is an apocalyptic number.
It is an amenable number.
30595992 is an abundant number, since it is smaller than the sum of its proper divisors (58385568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30595992 is a wasteful number, since it uses less digits than its factorization.
30595992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26040 (or 26029 counting only the distinct ones).
The product of its (nonzero) digits is 109350, while the sum is 42.
The square root of 30595992 is about 5531.3643886477. The cubic root of 30595992 is about 312.7674237785.
The spelling of 30595992 in words is "thirty million, five hundred ninety-five thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •