Base | Representation |
---|---|
bin | 111001010110… |
… | …1110110001100 |
3 | 2002120211022100 |
4 | 1302231312030 |
5 | 30144302304 |
6 | 2552315100 |
7 | 513416031 |
oct | 162556614 |
9 | 62524270 |
10 | 30072204 |
11 | 15a7a768 |
12 | a0a2a90 |
13 | 62cbb06 |
14 | 3dcb388 |
15 | 2990439 |
hex | 1cadd8c |
30072204 has 36 divisors (see below), whose sum is σ = 77063896. Its totient is φ = 9885888.
The previous prime is 30072197. The next prime is 30072227. The reversal of 30072204 is 40227003.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (18).
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, 3094 + ... + 8349.
Almost surely, 230072204 is an apocalyptic number.
It is an amenable number.
30072204 is an abundant number, since it is smaller than the sum of its proper divisors (46991692).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30072204 is a wasteful number, since it uses less digits than its factorization.
30072204 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11526 (or 11521 counting only the distinct ones).
The product of its (nonzero) digits is 336, while the sum is 18.
The square root of 30072204 is about 5483.8129070930. The cubic root of 30072204 is about 310.9723337775.
Adding to 30072204 its reverse (40227003), we get a palindrome (70299207).
It can be divided in two parts, 30072 and 204, that added together give a square (30276 = 1742).
The spelling of 30072204 in words is "thirty million, seventy-two thousand, two hundred four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •