Base | Representation |
---|---|
bin | 1010001010110… |
… | …1010101100111 |
3 | 2222020222221220 |
4 | 2202231111213 |
5 | 41404344111 |
6 | 4122111423 |
7 | 1025354601 |
oct | 242552547 |
9 | 88228856 |
10 | 42653031 |
11 | 22092943 |
12 | 1234b573 |
13 | 8ab52a5 |
14 | 5944171 |
15 | 3b27e06 |
hex | 28ad567 |
42653031 has 8 divisors (see below), whose sum is σ = 56957424. Its totient is φ = 28392000.
The previous prime is 42653029. The next prime is 42653041. The reversal of 42653031 is 13035624.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42653031 - 21 = 42653029 is a prime.
It is a super-2 number, since 2×426530312 = 3638562106973922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 42652992 and 42653010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42653011) 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, 8470 + ... + 12531.
It is an arithmetic number, because the mean of its divisors is an integer number (7119678).
Almost surely, 242653031 is an apocalyptic number.
42653031 is a deficient number, since it is larger than the sum of its proper divisors (14304393).
42653031 is a wasteful number, since it uses less digits than its factorization.
42653031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21681.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 42653031 is about 6530.9288007143. The cubic root of 42653031 is about 349.3949573908.
Adding to 42653031 its reverse (13035624), we get a palindrome (55688655).
The spelling of 42653031 in words is "forty-two million, six hundred fifty-three thousand, thirty-one".
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