Base | Representation |
---|---|
bin | 111010101100… |
… | …1010110101100 |
3 | 2010220111221201 |
4 | 1311121112230 |
5 | 30334242300 |
6 | 3015335244 |
7 | 522403105 |
oct | 165312654 |
9 | 63814851 |
10 | 30774700 |
11 | 1640a540 |
12 | a381524 |
13 | 64b67a8 |
14 | 41313ac |
15 | 2a7d66a |
hex | 1d595ac |
30774700 has 72 divisors (see below), whose sum is σ = 73839024. Its totient is φ = 11040000.
The previous prime is 30774697. The next prime is 30774701. The reversal of 30774700 is 747703.
It is not an unprimeable number, because it can be changed into a prime (30774701) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110962 + ... + 111238.
It is an arithmetic number, because the mean of its divisors is an integer number (1025542).
Almost surely, 230774700 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 30774700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36919512).
30774700 is an abundant number, since it is smaller than the sum of its proper divisors (43064324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30774700 is a wasteful number, since it uses less digits than its factorization.
30774700 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 403 (or 396 counting only the distinct ones).
The product of its (nonzero) digits is 4116, while the sum is 28.
The square root of 30774700 is about 5547.4949301464. The cubic root of 30774700 is about 313.3751893182.
It can be divided in two parts, 3077 and 4700, that added together give a palindrome (7777).
The spelling of 30774700 in words is "thirty million, seven hundred seventy-four thousand, seven hundred".
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