Base | Representation |
---|---|
bin | 11010010110010… |
… | …101001010000010 |
3 | 1010210211001022000 |
4 | 122112111022002 |
5 | 1401131431232 |
6 | 111510524430 |
7 | 13645313604 |
oct | 3226251202 |
9 | 1123731260 |
10 | 442061442 |
11 | 207594339 |
12 | 104066716 |
13 | 7077a524 |
14 | 429d3174 |
15 | 28c2127c |
hex | 1a595282 |
442061442 has 32 divisors (see below), whose sum is σ = 1016236800. Its totient is φ = 142272144.
The previous prime is 442061441. The next prime is 442061447. The reversal of 442061442 is 244160244.
It is a happy number.
442061442 is a `hidden beast` number, since 4 + 4 + 2 + 0 + 614 + 42 = 666.
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 (442061441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139578 + ... + 142709.
It is an arithmetic number, because the mean of its divisors is an integer number (31757400).
Almost surely, 2442061442 is an apocalyptic number.
442061442 is an abundant number, since it is smaller than the sum of its proper divisors (574175358).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
442061442 is a wasteful number, since it uses less digits than its factorization.
442061442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 282327 (or 282321 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 27.
The square root of 442061442 is about 21025.2572398057. The cubic root of 442061442 is about 761.7764549789.
The spelling of 442061442 in words is "four hundred forty-two million, sixty-one thousand, four hundred forty-two".
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