Base | Representation |
---|---|
bin | 101010111111001… |
… | …1110011101000111 |
3 | 10201112012121002220 |
4 | 1111332132131013 |
5 | 10423231103111 |
6 | 355044303423 |
7 | 50513355303 |
oct | 12576363507 |
9 | 3645177086 |
10 | 1442441031 |
11 | 680247329 |
12 | 3430a1b73 |
13 | 19cabb405 |
14 | d97dcd03 |
15 | 86979e06 |
hex | 55f9e747 |
1442441031 has 8 divisors (see below), whose sum is σ = 2024478720. Its totient is φ = 911015352.
The previous prime is 1442441023. The next prime is 1442441047. The reversal of 1442441031 is 1301442441.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1442441031 - 23 = 1442441023 is a prime.
It is a super-2 number, since 2×14424410312 = 4161272255824685922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1442440992 and 1442441010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442441431) 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, 12652935 + ... + 12653048.
It is an arithmetic number, because the mean of its divisors is an integer number (253059840).
Almost surely, 21442441031 is an apocalyptic number.
1442441031 is a deficient number, since it is larger than the sum of its proper divisors (582037689).
1442441031 is a wasteful number, since it uses less digits than its factorization.
1442441031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25306005.
The product of its (nonzero) digits is 1536, while the sum is 24.
The square root of 1442441031 is about 37979.4817105236. The cubic root of 1442441031 is about 1129.8809572562.
Adding to 1442441031 its reverse (1301442441), we get a palindrome (2743883472).
It can be divided in two parts, 14424 and 41031, that added together give a palindrome (55455).
The spelling of 1442441031 in words is "one billion, four hundred forty-two million, four hundred forty-one thousand, thirty-one".
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