Base | Representation |
---|---|
bin | 111010000001… |
… | …1101000000000 |
3 | 2010020200021020 |
4 | 1310003220000 |
5 | 30242023202 |
6 | 3004025440 |
7 | 516411255 |
oct | 164035000 |
9 | 63220236 |
10 | 30423552 |
11 | 1619a735 |
12 | a232280 |
13 | 63c2a03 |
14 | 407d42c |
15 | 2a0e5bc |
hex | 1d03a00 |
30423552 has 80 divisors (see below), whose sum is σ = 83967840. Its totient is φ = 9777152.
The previous prime is 30423539. The next prime is 30423563. The reversal of 30423552 is 25532403.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44203 + ... + 44885.
It is an arithmetic number, because the mean of its divisors is an integer number (1049598).
Almost surely, 230423552 is an apocalyptic number.
30423552 is a gapful number since it is divisible by the number (32) 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 30423552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41983920).
30423552 is an abundant number, since it is smaller than the sum of its proper divisors (53544288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30423552 is an equidigital number, since it uses as much as digits as its factorization.
30423552 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 733 (or 717 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 24.
The square root of 30423552 is about 5515.7548894054. The cubic root of 30423552 is about 312.1787273149.
Adding to 30423552 its reverse (25532403), we get a palindrome (55955955).
The spelling of 30423552 in words is "thirty million, four hundred twenty-three thousand, five hundred fifty-two".
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