Base | Representation |
---|---|
bin | 1010010010010… |
… | …0110110011010 |
3 | 10000011212110101 |
4 | 2210210312122 |
5 | 42021030204 |
6 | 4140410014 |
7 | 1032464020 |
oct | 244446632 |
9 | 100155411 |
10 | 43142554 |
11 | 22397704 |
12 | 1254690a |
13 | 8c27050 |
14 | 5a30710 |
15 | 3bc2ea4 |
hex | 2924d9a |
43142554 has 32 divisors (see below), whose sum is σ = 80470656. Its totient is φ = 16891200.
The previous prime is 43142551. The next prime is 43142563. The reversal of 43142554 is 45524134.
It is a super-2 number, since 2×431425542 = 3722559931285832, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (43142551) 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, 17209 + ... + 19555.
It is an arithmetic number, because the mean of its divisors is an integer number (2514708).
Almost surely, 243142554 is an apocalyptic number.
43142554 is a deficient number, since it is larger than the sum of its proper divisors (37328102).
43142554 is a wasteful number, since it uses less digits than its factorization.
43142554 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2470.
The product of its digits is 9600, while the sum is 28.
The square root of 43142554 is about 6568.2991710183. The cubic root of 43142554 is about 350.7265289252.
Adding to 43142554 its reverse (45524134), we get a palindrome (88666688).
The spelling of 43142554 in words is "forty-three million, one hundred forty-two thousand, five hundred fifty-four".
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