Base | Representation |
---|---|
bin | 101101010111110… |
… | …0100110111101110 |
3 | 10221002201000022111 |
4 | 1122233210313232 |
5 | 11104214434410 |
6 | 411022434234 |
7 | 52504236601 |
oct | 13257446756 |
9 | 3832630274 |
10 | 1522421230 |
11 | 711404670 |
12 | 365a3297a |
13 | 1b3542785 |
14 | 10629c338 |
15 | 8d9c7b8a |
hex | 5abe4dee |
1522421230 has 32 divisors (see below), whose sum is σ = 3165337440. Its totient is φ = 521041920.
The previous prime is 1522421167. The next prime is 1522421233. The reversal of 1522421230 is 321242251.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1522421233) 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, 405195 + ... + 408934.
It is an arithmetic number, because the mean of its divisors is an integer number (98916795).
Almost surely, 21522421230 is an apocalyptic number.
1522421230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1522421230 is an abundant number, since it is smaller than the sum of its proper divisors (1642916210).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1522421230 is a wasteful number, since it uses less digits than its factorization.
1522421230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 814164.
The product of its (nonzero) digits is 960, while the sum is 22.
The square root of 1522421230 is about 39018.2166429989. The cubic root of 1522421230 is about 1150.3895920084.
Adding to 1522421230 its reverse (321242251), we get a palindrome (1843663481).
The spelling of 1522421230 in words is "one billion, five hundred twenty-two million, four hundred twenty-one thousand, two hundred thirty".
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