Base | Representation |
---|---|
bin | 100100110001111… |
… | …1010010010001100 |
3 | 10012000021100021021 |
4 | 1021203322102030 |
5 | 10011420304130 |
6 | 322244043524 |
7 | 42404051350 |
oct | 11143722214 |
9 | 3160240237 |
10 | 1234150540 |
11 | 583711627 |
12 | 2a53935a4 |
13 | 1688c06bc |
14 | b9c9d460 |
15 | 7353437a |
hex | 498fa48c |
1234150540 has 96 divisors (see below), whose sum is σ = 3077343360. Its totient is φ = 406923264.
The previous prime is 1234150523. The next prime is 1234150543. The reversal of 1234150540 is 450514321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1234150543) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459682 + ... + 462358.
It is an arithmetic number, because the mean of its divisors is an integer number (32055660).
Almost surely, 21234150540 is an apocalyptic number.
1234150540 is a gapful number since it is divisible by the number (10) 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 1234150540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1538671680).
1234150540 is an abundant number, since it is smaller than the sum of its proper divisors (1843192820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1234150540 is a wasteful number, since it uses less digits than its factorization.
1234150540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2819 (or 2817 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
The square root of 1234150540 is about 35130.4787897916. The cubic root of 1234150540 is about 1072.6450819176.
Adding to 1234150540 its reverse (450514321), we get a palindrome (1684664861).
The spelling of 1234150540 in words is "one billion, two hundred thirty-four million, one hundred fifty thousand, five hundred forty".
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