Base | Representation |
---|---|
bin | 111001111001… |
… | …1101011100101 |
3 | 2010010100200110 |
4 | 1303303223211 |
5 | 30232430440 |
6 | 3002403233 |
7 | 516020001 |
oct | 163635345 |
9 | 63110613 |
10 | 30358245 |
11 | 16155665 |
12 | a200519 |
13 | 639c078 |
14 | 4063701 |
15 | 29ea080 |
hex | 1cf3ae5 |
30358245 has 16 divisors (see below), whose sum is σ = 49758912. Its totient is φ = 15795840.
The previous prime is 30358231. The next prime is 30358247. The reversal of 30358245 is 54285303.
It is not a de Polignac number, because 30358245 - 210 = 30357221 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30358247) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24067 + ... + 25296.
It is an arithmetic number, because the mean of its divisors is an integer number (3109932).
Almost surely, 230358245 is an apocalyptic number.
It is an amenable number.
30358245 is a deficient number, since it is larger than the sum of its proper divisors (19400667).
30358245 is a wasteful number, since it uses less digits than its factorization.
30358245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49412.
The product of its (nonzero) digits is 14400, while the sum is 30.
The square root of 30358245 is about 5509.8316671201. The cubic root of 30358245 is about 311.9551936807.
It can be divided in two parts, 30358 and 245, that added together give a palindrome (30603).
The spelling of 30358245 in words is "thirty million, three hundred fifty-eight thousand, two hundred forty-five".
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