Base | Representation |
---|---|
bin | 111001101011… |
… | …1111001100011 |
3 | 2002220120120212 |
4 | 1303113321203 |
5 | 30220310301 |
6 | 3000124335 |
7 | 515034146 |
oct | 163277143 |
9 | 62816525 |
10 | 30244451 |
11 | 16088116 |
12 | a1666ab |
13 | 635c333 |
14 | 403405d |
15 | 29c64bb |
hex | 1cd7e63 |
30244451 has 4 divisors (see below), whose sum is σ = 30401352. Its totient is φ = 30087552.
The previous prime is 30244441. The next prime is 30244457. The reversal of 30244451 is 15444203.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30244451 - 214 = 30228067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30244457) 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, 78161 + ... + 78546.
It is an arithmetic number, because the mean of its divisors is an integer number (7600338).
Almost surely, 230244451 is an apocalyptic number.
30244451 is a deficient number, since it is larger than the sum of its proper divisors (156901).
30244451 is a wasteful number, since it uses less digits than its factorization.
30244451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156900.
The product of its (nonzero) digits is 1920, while the sum is 23.
The square root of 30244451 is about 5499.4955223184. The cubic root of 30244451 is about 311.5649309374.
Adding to 30244451 its reverse (15444203), we get a palindrome (45688654).
The spelling of 30244451 in words is "thirty million, two hundred forty-four thousand, four hundred fifty-one".
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