Base | Representation |
---|---|
bin | 111010011000… |
… | …0001110110100 |
3 | 2010120221220012 |
4 | 1310300032310 |
5 | 30313400020 |
6 | 3011555352 |
7 | 521102036 |
oct | 164601664 |
9 | 63527805 |
10 | 30606260 |
11 | 16304a33 |
12 | a2bbb58 |
13 | 6457c19 |
14 | 40c9c56 |
15 | 2a487c5 |
hex | 1d303b4 |
30606260 has 12 divisors (see below), whose sum is σ = 64273188. Its totient is φ = 12242496.
The previous prime is 30606229. The next prime is 30606263. The reversal of 30606260 is 6260603.
It can be written as a sum of positive squares in 2 ways, for example, as 24245776 + 6360484 = 4924^2 + 2522^2 .
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30606263) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765137 + ... + 765176.
It is an arithmetic number, because the mean of its divisors is an integer number (5356099).
Almost surely, 230606260 is an apocalyptic number.
It is an amenable number.
30606260 is an abundant number, since it is smaller than the sum of its proper divisors (33666928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30606260 is a wasteful number, since it uses less digits than its factorization.
30606260 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1530322 (or 1530320 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 23.
The square root of 30606260 is about 5532.2924723843. The cubic root of 30606260 is about 312.8024080636.
Adding to 30606260 its reverse (6260603), we get a palindrome (36866863).
The spelling of 30606260 in words is "thirty million, six hundred six thousand, two hundred sixty".
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