Base | Representation |
---|---|
bin | 111010000001… |
… | …1010111111011 |
3 | 2010020121212010 |
4 | 1310003113323 |
5 | 30242010043 |
6 | 3004021003 |
7 | 516405255 |
oct | 164032773 |
9 | 63217763 |
10 | 30422523 |
11 | 1619998a |
12 | a231763 |
13 | 63c23c1 |
14 | 407ccd5 |
15 | 2a0e133 |
hex | 1d035fb |
30422523 has 16 divisors (see below), whose sum is σ = 41184000. Its totient is φ = 19974240.
The previous prime is 30422519. The next prime is 30422527. The reversal of 30422523 is 32522403.
It is an interprime number because it is at equal distance from previous prime (30422519) and next prime (30422527).
It is not a de Polignac number, because 30422523 - 22 = 30422519 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30422523.
It is not an unprimeable number, because it can be changed into a prime (30422527) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78013 + ... + 78401.
It is an arithmetic number, because the mean of its divisors is an integer number (2574000).
Almost surely, 230422523 is an apocalyptic number.
30422523 is a deficient number, since it is larger than the sum of its proper divisors (10761477).
30422523 is a wasteful number, since it uses less digits than its factorization.
30422523 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 722.
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 30422523 is about 5515.6616103601. The cubic root of 30422523 is about 312.1752077222.
Adding to 30422523 its reverse (32522403), we get a palindrome (62944926).
It can be divided in two parts, 3042 and 2523, that added together give a triangular number (5565 = T105).
The spelling of 30422523 in words is "thirty million, four hundred twenty-two thousand, five hundred twenty-three".
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