Base | Representation |
---|---|
bin | 111001010000… |
… | …1110111011100 |
3 | 2002111022222212 |
4 | 1302201313130 |
5 | 30141220012 |
6 | 2551255552 |
7 | 513122666 |
oct | 162416734 |
9 | 62438885 |
10 | 30023132 |
11 | 15a46907 |
12 | a07a5b8 |
13 | 62b2689 |
14 | 3db7536 |
15 | 2980b22 |
hex | 1ca1ddc |
30023132 has 12 divisors (see below), whose sum is σ = 53960760. Its totient is φ = 14605776.
The previous prime is 30023107. The next prime is 30023137. The reversal of 30023132 is 23132003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30023137) 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, 101282 + ... + 101577.
It is an arithmetic number, because the mean of its divisors is an integer number (4496730).
Almost surely, 230023132 is an apocalyptic number.
It is an amenable number.
30023132 is a deficient number, since it is larger than the sum of its proper divisors (23937628).
30023132 is a wasteful number, since it uses less digits than its factorization.
30023132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202900 (or 202898 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
The square root of 30023132 is about 5479.3368211856. The cubic root of 30023132 is about 310.8030928580.
Adding to 30023132 its reverse (23132003), we get a palindrome (53155135).
It can be divided in two parts, 300 and 23132, that added together give a palindrome (23432).
The spelling of 30023132 in words is "thirty million, twenty-three thousand, one hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •