Base | Representation |
---|---|
bin | 111001001111… |
… | …1010000100100 |
3 | 2002110210100022 |
4 | 1302133100210 |
5 | 30140344302 |
6 | 2551134312 |
7 | 513046601 |
oct | 162372044 |
9 | 62423308 |
10 | 30012452 |
11 | 15a39888 |
12 | a074398 |
13 | 62aa862 |
14 | 3db36a8 |
15 | 297c8a2 |
hex | 1c9f424 |
30012452 has 12 divisors (see below), whose sum is σ = 53743536. Its totient is φ = 14657160.
The previous prime is 30012443. The next prime is 30012473. The reversal of 30012452 is 25421003.
It is a self number, because there is not a number n which added to its sum of digits gives 30012452.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87074 + ... + 87417.
It is an arithmetic number, because the mean of its divisors is an integer number (4478628).
Almost surely, 230012452 is an apocalyptic number.
It is an amenable number.
30012452 is a deficient number, since it is larger than the sum of its proper divisors (23731084).
30012452 is a wasteful number, since it uses less digits than its factorization.
30012452 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 174538 (or 174536 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 30012452 is about 5478.3621640049. The cubic root of 30012452 is about 310.7662349368.
Adding to 30012452 its reverse (25421003), we get a palindrome (55433455).
The spelling of 30012452 in words is "thirty million, twelve thousand, four hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •