Base | Representation |
---|---|
bin | 1010000111111… |
… | …0010001111001 |
3 | 2221220012120000 |
4 | 2201332101321 |
5 | 41332212111 |
6 | 4114023213 |
7 | 1023622623 |
oct | 241762171 |
9 | 87805500 |
10 | 42460281 |
11 | 21a71046 |
12 | 12277b09 |
13 | 8a48636 |
14 | 58d3c13 |
15 | 3adac56 |
hex | 287e479 |
42460281 has 10 divisors (see below), whose sum is σ = 63428442. Its totient is φ = 28306800.
The previous prime is 42460267. The next prime is 42460303. The reversal of 42460281 is 18206424.
It can be written as a sum of positive squares in only one way, i.e., 42458256 + 2025 = 6516^2 + 45^2 .
It is not a de Polignac number, because 42460281 - 26 = 42460217 is a prime.
It is a super-2 number, since 2×424602812 = 3605750925197922, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (42460211) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 262020 + ... + 262181.
Almost surely, 242460281 is an apocalyptic number.
It is an amenable number.
42460281 is a deficient number, since it is larger than the sum of its proper divisors (20968161).
42460281 is an equidigital number, since it uses as much as digits as its factorization.
42460281 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 524213 (or 524204 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
The square root of 42460281 is about 6516.1553848876. The cubic root of 42460281 is about 348.8678547226.
The spelling of 42460281 in words is "forty-two million, four hundred sixty thousand, two hundred eighty-one".
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