Base | Representation |
---|---|
bin | 111001101100… |
… | …1111111101000 |
3 | 2002221000100200 |
4 | 1303121333220 |
5 | 30221044112 |
6 | 3000232200 |
7 | 515101155 |
oct | 163317750 |
9 | 62830320 |
10 | 30253032 |
11 | 16093607 |
12 | a16b660 |
13 | 6363204 |
14 | 403722c |
15 | 29c8cdc |
hex | 1cd9fe8 |
30253032 has 48 divisors (see below), whose sum is σ = 84766500. Its totient is φ = 9735936.
The previous prime is 30253031. The next prime is 30253033. The reversal of 30253032 is 23035203.
It is an interprime number because it is at equal distance from previous prime (30253031) and next prime (30253033).
It can be written as a sum of positive squares in 2 ways, for example, as 29224836 + 1028196 = 5406^2 + 1014^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 30252996 and 30253014.
It is not an unprimeable number, because it can be changed into a prime (30253031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5157 + ... + 9332.
Almost surely, 230253032 is an apocalyptic number.
It is an amenable number.
30253032 is an abundant number, since it is smaller than the sum of its proper divisors (54513468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30253032 is a wasteful number, since it uses less digits than its factorization.
30253032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14530 (or 14523 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 18.
The square root of 30253032 is about 5500.2756294571. The cubic root of 30253032 is about 311.5943940375.
Adding to 30253032 its reverse (23035203), we get a palindrome (53288235).
The spelling of 30253032 in words is "thirty million, two hundred fifty-three thousand, thirty-two".
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