Base | Representation |
---|---|
bin | 10000111110101… |
… | …11111000011010 |
3 | 100221000210201000 |
4 | 20133113320122 |
5 | 242431121020 |
6 | 22045005430 |
7 | 3346510554 |
oct | 1037277032 |
9 | 327023630 |
10 | 142442010 |
11 | 7344a877 |
12 | 3b853876 |
13 | 23683a19 |
14 | 14cbc4d4 |
15 | c78a090 |
hex | 87d7e1a |
142442010 has 32 divisors (see below), whose sum is σ = 379846080. Its totient is φ = 37984464.
The previous prime is 142441973. The next prime is 142442023. The reversal of 142442010 is 10244241.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263512 + ... + 264051.
It is an arithmetic number, because the mean of its divisors is an integer number (11870190).
Almost surely, 2142442010 is an apocalyptic number.
142442010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142442010 is an abundant number, since it is smaller than the sum of its proper divisors (237404070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142442010 is a wasteful number, since it uses less digits than its factorization.
142442010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 527579 (or 527573 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 142442010 is about 11934.9072053368. The cubic root of 142442010 is about 522.2511012817.
Adding to 142442010 its reverse (10244241), we get a palindrome (152686251).
It can be divided in two parts, 1424 and 42010, that added together give a palindrome (43434).
The spelling of 142442010 in words is "one hundred forty-two million, four hundred forty-two thousand, ten".
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