Base | Representation |
---|---|
bin | 101010001011010… |
… | …0111010111000011 |
3 | 10122121222100101000 |
4 | 1110112213113003 |
5 | 10344243331111 |
6 | 352232543043 |
7 | 50033060613 |
oct | 12426472703 |
9 | 3577870330 |
10 | 1415214531 |
11 | 666940695 |
12 | 335b51a83 |
13 | 197277963 |
14 | d5d52a43 |
15 | 8439cc56 |
hex | 545a75c3 |
1415214531 has 8 divisors (see below), whose sum is σ = 2096614160. Its totient is φ = 943476336.
The previous prime is 1415214523. The next prime is 1415214571. The reversal of 1415214531 is 1354125141.
1415214531 is a `hidden beast` number, since 1 + 415 + 214 + 5 + 31 = 666.
It is not a de Polignac number, because 1415214531 - 23 = 1415214523 is a prime.
It is a super-2 number, since 2×14152145312 = 4005664337507099922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 52415353 = 1415214531 / (1 + 4 + 1 + 5 + 2 + 1 + 4 + 5 + 3 + 1).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1415214495 and 1415214504.
It is not an unprimeable number, because it can be changed into a prime (1415214571) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26207650 + ... + 26207703.
It is an arithmetic number, because the mean of its divisors is an integer number (262076770).
Almost surely, 21415214531 is an apocalyptic number.
1415214531 is a deficient number, since it is larger than the sum of its proper divisors (681399629).
1415214531 is an equidigital number, since it uses as much as digits as its factorization.
1415214531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52415362 (or 52415356 counting only the distinct ones).
The product of its digits is 2400, while the sum is 27.
The square root of 1415214531 is about 37619.3371951182. The cubic root of 1415214531 is about 1122.7268089626.
Adding to 1415214531 its reverse (1354125141), we get a palindrome (2769339672).
The spelling of 1415214531 in words is "one billion, four hundred fifteen million, two hundred fourteen thousand, five hundred thirty-one".
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