Base | Representation |
---|---|
bin | 100100111101011… |
… | …0000111001110110 |
3 | 10012102112201020002 |
4 | 1021322300321312 |
5 | 10014434011210 |
6 | 323020311302 |
7 | 42506012453 |
oct | 11172607166 |
9 | 3172481202 |
10 | 1240141430 |
11 | 587033680 |
12 | 2a73a2532 |
13 | 169c0a4c8 |
14 | ba9bc82a |
15 | 73d194a5 |
hex | 49eb0e76 |
1240141430 has 32 divisors (see below), whose sum is σ = 2450731680. Its totient is φ = 448081920.
The previous prime is 1240141387. The next prime is 1240141433. The reversal of 1240141430 is 341410421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1240141433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18635 + ... + 53174.
It is an arithmetic number, because the mean of its divisors is an integer number (76585365).
Almost surely, 21240141430 is an apocalyptic number.
1240141430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1240141430 is a deficient number, since it is larger than the sum of its proper divisors (1210590250).
1240141430 is a wasteful number, since it uses less digits than its factorization.
1240141430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 71984.
The product of its (nonzero) digits is 384, while the sum is 20.
The square root of 1240141430 is about 35215.6418371155. The cubic root of 1240141430 is about 1074.3779144609.
Adding to 1240141430 its reverse (341410421), we get a palindrome (1581551851).
The spelling of 1240141430 in words is "one billion, two hundred forty million, one hundred forty-one thousand, four hundred thirty".
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