Base | Representation |
---|---|
bin | 11010010111101… |
… | …011010111001110 |
3 | 1010211110222122210 |
4 | 122113223113032 |
5 | 1401224231132 |
6 | 111522251250 |
7 | 13651314213 |
oct | 3227532716 |
9 | 1124428583 |
10 | 442414542 |
11 | 207805659 |
12 | 1041b6b26 |
13 | 7087216b |
14 | 42a85b0a |
15 | 28c90bcc |
hex | 1a5eb5ce |
442414542 has 32 divisors (see below), whose sum is σ = 896163840. Its totient is φ = 145591200.
The previous prime is 442414519. The next prime is 442414543. The reversal of 442414542 is 245414244.
It is a super-4 number, since 4×4424145424 (a number of 36 digits) contains 4444 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (442414543) 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, 265203 + ... + 266865.
It is an arithmetic number, because the mean of its divisors is an integer number (28005120).
Almost surely, 2442414542 is an apocalyptic number.
442414542 is an abundant number, since it is smaller than the sum of its proper divisors (453749298).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
442414542 is a wasteful number, since it uses less digits than its factorization.
442414542 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2208.
The product of its digits is 20480, while the sum is 30.
The square root of 442414542 is about 21033.6526071912. The cubic root of 442414542 is about 761.9792259477.
Adding to 442414542 its reverse (245414244), we get a palindrome (687828786).
The spelling of 442414542 in words is "four hundred forty-two million, four hundred fourteen thousand, five hundred forty-two".
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