Base | Representation |
---|---|
bin | 1010001100001… |
… | …1010101101111 |
3 | 2222102120120200 |
4 | 2203003111233 |
5 | 41420240101 |
6 | 4124044543 |
7 | 1026211413 |
oct | 243032557 |
9 | 88376520 |
10 | 42743151 |
11 | 22144620 |
12 | 12393753 |
13 | 8b17309 |
14 | 5968d43 |
15 | 3b44986 |
hex | 28c356f |
42743151 has 48 divisors (see below), whose sum is σ = 72277920. Its totient is φ = 24053760.
The previous prime is 42743143. The next prime is 42743153. The reversal of 42743151 is 15134724.
It is not a de Polignac number, because 42743151 - 23 = 42743143 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42743153) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 183331 + ... + 183563.
It is an arithmetic number, because the mean of its divisors is an integer number (1505790).
Almost surely, 242743151 is an apocalyptic number.
42743151 is a deficient number, since it is larger than the sum of its proper divisors (29534769).
42743151 is a wasteful number, since it uses less digits than its factorization.
42743151 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 376 (or 373 counting only the distinct ones).
The product of its digits is 3360, while the sum is 27.
The square root of 42743151 is about 6537.8246382111. The cubic root of 42743151 is about 349.6408588158.
Adding to 42743151 its reverse (15134724), we get a palindrome (57877875).
The spelling of 42743151 in words is "forty-two million, seven hundred forty-three thousand, one hundred fifty-one".
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