Base | Representation |
---|---|
bin | 101101111101011… |
… | …0000101011100001 |
3 | 10222110210100012210 |
4 | 1123322300223201 |
5 | 11124241133101 |
6 | 413005112333 |
7 | 53133615000 |
oct | 13372605341 |
9 | 3873710183 |
10 | 1542130401 |
11 | 721546439 |
12 | 3705586a9 |
13 | 1b76536c6 |
14 | 108b4cc37 |
15 | 905bc7d6 |
hex | 5beb0ae1 |
1542130401 has 64 divisors (see below), whose sum is σ = 2557440000. Its totient is φ = 823350528.
The previous prime is 1542130399. The next prime is 1542130411. The reversal of 1542130401 is 1040312451.
It is not a de Polignac number, because 1542130401 - 21 = 1542130399 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (1542130411) 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 63 ways as a sum of consecutive naturals, for example, 3480886 + ... + 3481328.
It is an arithmetic number, because the mean of its divisors is an integer number (39960000).
Almost surely, 21542130401 is an apocalyptic number.
It is an amenable number.
1542130401 is a deficient number, since it is larger than the sum of its proper divisors (1015309599).
1542130401 is a wasteful number, since it uses less digits than its factorization.
1542130401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683 (or 669 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 21.
The square root of 1542130401 is about 39269.9681818053. The cubic root of 1542130401 is about 1155.3326131132.
Adding to 1542130401 its reverse (1040312451), we get a palindrome (2582442852).
The spelling of 1542130401 in words is "one billion, five hundred forty-two million, one hundred thirty thousand, four hundred one".
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