Base | Representation |
---|---|
bin | 1010000001010… |
… | …0000001100101 |
3 | 2221002002112202 |
4 | 2200110001211 |
5 | 41224300221 |
6 | 4100424245 |
7 | 1020131021 |
oct | 240240145 |
9 | 87062482 |
10 | 42025061 |
11 | 217a4061 |
12 | 120a8085 |
13 | 8925500 |
14 | 581d381 |
15 | 3a51d0b |
hex | 2814065 |
42025061 has 12 divisors (see below), whose sum is σ = 46572768. Its totient is φ = 37883664.
The previous prime is 42025001. The next prime is 42025069. The reversal of 42025061 is 16052024.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-42025061 is a prime.
It is a super-2 number, since 2×420250612 = 3532211504107442, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42025069) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4376 + ... + 10158.
It is an arithmetic number, because the mean of its divisors is an integer number (3881064).
Almost surely, 242025061 is an apocalyptic number.
It is an amenable number.
42025061 is a deficient number, since it is larger than the sum of its proper divisors (4547707).
42025061 is a wasteful number, since it uses less digits than its factorization.
42025061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5852 (or 5839 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 42025061 is about 6482.6739081956. The cubic root of 42025061 is about 347.6717878085.
Adding to 42025061 its reverse (16052024), we get a palindrome (58077085).
The spelling of 42025061 in words is "forty-two million, twenty-five thousand, sixty-one".
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