Base | Representation |
---|---|
bin | 111001110010… |
… | …0001000010000 |
3 | 2010000010022011 |
4 | 1303210020100 |
5 | 30223411134 |
6 | 3001152304 |
7 | 515333200 |
oct | 163441020 |
9 | 63003264 |
10 | 30294544 |
11 | 16111815 |
12 | a18b694 |
13 | 6379087 |
14 | 4048400 |
15 | 29d6264 |
hex | 1ce4210 |
30294544 has 60 divisors (see below), whose sum is σ = 72326844. Its totient is φ = 12214272.
The previous prime is 30294541. The next prime is 30294547. The reversal of 30294544 is 44549203.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (30294541) and next prime (30294547).
It can be written as a sum of positive squares in 2 ways, for example, as 25401600 + 4892944 = 5040^2 + 2212^2 .
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (30294541) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12192 + ... + 14464.
Almost surely, 230294544 is an apocalyptic number.
30294544 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30294544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36163422).
30294544 is an abundant number, since it is smaller than the sum of its proper divisors (42032300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30294544 is a wasteful number, since it uses less digits than its factorization.
30294544 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2312 (or 2299 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 31.
The square root of 30294544 is about 5504.0479649073. The cubic root of 30294544 is about 311.7368480207.
The spelling of 30294544 in words is "thirty million, two hundred ninety-four thousand, five hundred forty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •