Base | Representation |
---|---|
bin | 111001101101… |
… | …0001000100000 |
3 | 2002221001010201 |
4 | 1303122020200 |
5 | 30221103400 |
6 | 3000234544 |
7 | 515102626 |
oct | 163321040 |
9 | 62831121 |
10 | 30253600 |
11 | 16093a83 |
12 | a16ba54 |
13 | 6363550 |
14 | 4037516 |
15 | 29c906a |
hex | 1cda220 |
30253600 has 72 divisors (see below), whose sum is σ = 79565220. Its totient is φ = 11166720.
The previous prime is 30253577. The next prime is 30253631. The reversal of 30253600 is 635203.
It can be written as a sum of positive squares in 6 ways, for example, as 11209104 + 19044496 = 3348^2 + 4364^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8946 + ... + 11854.
Almost surely, 230253600 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30253600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39782610).
30253600 is an abundant number, since it is smaller than the sum of its proper divisors (49311620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30253600 is a wasteful number, since it uses less digits than its factorization.
30253600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2942 (or 2929 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 19.
The square root of 30253600 is about 5500.3272629908. The cubic root of 30253600 is about 311.5963440846.
Adding to 30253600 its reverse (635203), we get a palindrome (30888803).
It can be divided in two parts, 3025 and 3600, that multiplied together give a square (10890000 = 33002).
The spelling of 30253600 in words is "thirty million, two hundred fifty-three thousand, six hundred".
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