Base | Representation |
---|---|
bin | 111010111011… |
… | …0011100110011 |
3 | 2011010120102121 |
4 | 1311312130303 |
5 | 30402101000 |
6 | 3022055111 |
7 | 523410415 |
oct | 165663463 |
9 | 64116377 |
10 | 30893875 |
11 | 16491031 |
12 | a41a497 |
13 | 6528acc |
14 | 41629b5 |
15 | 2aa3b1a |
hex | 1d76733 |
30893875 has 24 divisors (see below), whose sum is σ = 39772512. Its totient is φ = 23954000.
The previous prime is 30893851. The next prime is 30893881. The reversal of 30893875 is 57839803.
It is a happy number.
It is not a de Polignac number, because 30893875 - 215 = 30861107 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 435090 + ... + 435160.
It is an arithmetic number, because the mean of its divisors is an integer number (1657188).
Almost surely, 230893875 is an apocalyptic number.
30893875 is a deficient number, since it is larger than the sum of its proper divisors (8878637).
30893875 is an frugal number, since it uses more digits than its factorization.
30893875 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204 (or 135 counting only the distinct ones).
The product of its (nonzero) digits is 181440, while the sum is 43.
The square root of 30893875 is about 5558.2258860179. The cubic root of 30893875 is about 313.7791833301.
The spelling of 30893875 in words is "thirty million, eight hundred ninety-three thousand, eight hundred seventy-five".
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