Base | Representation |
---|---|
bin | 100100011111100… |
… | …0110100001010010 |
3 | 10011100010010001010 |
4 | 1020333012201102 |
5 | 10001433020310 |
6 | 321301151350 |
7 | 42226042503 |
oct | 11077064122 |
9 | 3140103033 |
10 | 1224501330 |
11 | 579220a78 |
12 | 2a20bb556 |
13 | 1668c2700 |
14 | b88aabaa |
15 | 7277a320 |
hex | 48fc6852 |
1224501330 has 96 divisors (see below), whose sum is σ = 3369682944. Its totient is φ = 283665408.
The previous prime is 1224501319. The next prime is 1224501337. The reversal of 1224501330 is 331054221.
It is a junction number, because it is equal to n+sod(n) for n = 1224501297 and 1224501306.
It is not an unprimeable number, because it can be changed into a prime (1224501337) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79087 + ... + 93293.
It is an arithmetic number, because the mean of its divisors is an integer number (35100864).
Almost surely, 21224501330 is an apocalyptic number.
1224501330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1224501330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684841472).
1224501330 is an abundant number, since it is smaller than the sum of its proper divisors (2145181614).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1224501330 is a wasteful number, since it uses less digits than its factorization.
1224501330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14260 (or 14247 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1224501330 is about 34992.8754177190. The cubic root of 1224501330 is about 1069.8422715651.
Adding to 1224501330 its reverse (331054221), we get a palindrome (1555555551).
The spelling of 1224501330 in words is "one billion, two hundred twenty-four million, five hundred one thousand, three hundred thirty".
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