Base | Representation |
---|---|
bin | 1010000111100… |
… | …0101001100011 |
3 | 2221212000220212 |
4 | 2201320221203 |
5 | 41330442334 |
6 | 4113324335 |
7 | 1023465446 |
oct | 241705143 |
9 | 87760825 |
10 | 42437219 |
11 | 21a55790 |
12 | 122666ab |
13 | 8a3aca6 |
14 | 58c965d |
15 | 3ad3ece |
hex | 2878a63 |
42437219 has 8 divisors (see below), whose sum is σ = 49018608. Its totient is φ = 36309760.
The previous prime is 42437207. The next prime is 42437249. The reversal of 42437219 is 91273424.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 42437219 - 216 = 42371683 is a prime.
It is a super-2 number, since 2×424372192 = 3601835112907922, which contains 22 as substring.
It is a Duffinian number.
It is a plaindrome in base 12.
It is not an unprimeable number, because it can be changed into a prime (42437249) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113282 + ... + 113655.
It is an arithmetic number, because the mean of its divisors is an integer number (6127326).
Almost surely, 242437219 is an apocalyptic number.
42437219 is a deficient number, since it is larger than the sum of its proper divisors (6581389).
42437219 is a wasteful number, since it uses less digits than its factorization.
42437219 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 226965.
The product of its digits is 12096, while the sum is 32.
The square root of 42437219 is about 6514.3855427815. The cubic root of 42437219 is about 348.8046815849.
The spelling of 42437219 in words is "forty-two million, four hundred thirty-seven thousand, two hundred nineteen".
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