Base | Representation |
---|---|
bin | 111010111000… |
… | …0011100010001 |
3 | 2011002022200010 |
4 | 1311300130101 |
5 | 30400304030 |
6 | 3021345133 |
7 | 523245600 |
oct | 165603421 |
9 | 64068603 |
10 | 30869265 |
11 | 16474599 |
12 | a4081a9 |
13 | 651a84b |
14 | 4157a37 |
15 | 2a9b6b0 |
hex | 1d70711 |
30869265 has 24 divisors (see below), whose sum is σ = 57456000. Its totient is φ = 14111328.
The previous prime is 30869257. The next prime is 30869287. The reversal of 30869265 is 56296803.
It is not a de Polignac number, because 30869265 - 23 = 30869257 is a prime.
It is a Curzon 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, 20265 + ... + 21734.
It is an arithmetic number, because the mean of its divisors is an integer number (2394000).
Almost surely, 230869265 is an apocalyptic number.
30869265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
30869265 is a deficient number, since it is larger than the sum of its proper divisors (26586735).
30869265 is a wasteful number, since it uses less digits than its factorization.
30869265 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42021 (or 42014 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 39.
The square root of 30869265 is about 5556.0116090591. The cubic root of 30869265 is about 313.6958425699.
The spelling of 30869265 in words is "thirty million, eight hundred sixty-nine thousand, two hundred sixty-five".
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