Base | Representation |
---|---|
bin | 111001110100… |
… | …0110000110100 |
3 | 2010001002100010 |
4 | 1303220300310 |
5 | 30230013044 |
6 | 3001420220 |
7 | 515442423 |
oct | 163506064 |
9 | 63032303 |
10 | 30313524 |
11 | 16124aaa |
12 | a19a670 |
13 | 63848c7 |
14 | 40512ba |
15 | 29dbbb9 |
hex | 1ce8c34 |
30313524 has 12 divisors (see below), whose sum is σ = 70731584. Its totient is φ = 10104504.
The previous prime is 30313519. The next prime is 30313529. The reversal of 30313524 is 42531303.
It is an interprime number because it is at equal distance from previous prime (30313519) and next prime (30313529).
It is a tau number, because it is divible by the number of its divisors (12).
It is a self number, because there is not a number n which added to its sum of digits gives 30313524.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30313529) 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, 1263052 + ... + 1263075.
Almost surely, 230313524 is an apocalyptic number.
It is an amenable number.
30313524 is an abundant number, since it is smaller than the sum of its proper divisors (40418060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30313524 is a wasteful number, since it uses less digits than its factorization.
30313524 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526134 (or 2526132 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 30313524 is about 5505.7718804905. The cubic root of 30313524 is about 311.8019370805.
Adding to 30313524 its reverse (42531303), we get a palindrome (72844827).
It can be divided in two parts, 3031 and 3524, that added together give a triangular number (6555 = T114).
The spelling of 30313524 in words is "thirty million, three hundred thirteen thousand, five hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •