Base | Representation |
---|---|
bin | 10000111110100… |
… | …00110100000001 |
3 | 100220222022222200 |
4 | 20133100310001 |
5 | 242424204212 |
6 | 22044223413 |
7 | 3346330263 |
oct | 1037206401 |
9 | 326868880 |
10 | 142413057 |
11 | 73430046 |
12 | 3b83ab69 |
13 | 236737a7 |
14 | 14cb1b33 |
15 | c7816dc |
hex | 87d0d01 |
142413057 has 12 divisors (see below), whose sum is σ = 206010324. Its totient is φ = 94802400.
The previous prime is 142413023. The next prime is 142413059. The reversal of 142413057 is 750314241.
It can be written as a sum of positive squares in 2 ways, for example, as 60980481 + 81432576 = 7809^2 + 9024^2 .
It is not a de Polignac number, because 142413057 - 26 = 142412993 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142413057.
It is not an unprimeable number, because it can be changed into a prime (142413059) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4978 + ... + 17595.
It is an arithmetic number, because the mean of its divisors is an integer number (17167527).
Almost surely, 2142413057 is an apocalyptic number.
It is an amenable number.
142413057 is a deficient number, since it is larger than the sum of its proper divisors (63597267).
142413057 is a wasteful number, since it uses less digits than its factorization.
142413057 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23280 (or 23277 counting only the distinct ones).
The product of its (nonzero) digits is 3360, while the sum is 27.
The square root of 142413057 is about 11933.6941891436. The cubic root of 142413057 is about 522.2157143414.
Adding to 142413057 its reverse (750314241), we get a palindrome (892727298).
The spelling of 142413057 in words is "one hundred forty-two million, four hundred thirteen thousand, fifty-seven".
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