Base | Representation |
---|---|
bin | 101010111110101… |
… | …0110110001111000 |
3 | 10201111122200101110 |
4 | 1111331112301320 |
5 | 10423142204243 |
6 | 355034120320 |
7 | 50511023340 |
oct | 12575266170 |
9 | 3644580343 |
10 | 1442147448 |
11 | 6800667a5 |
12 | 342b800a0 |
13 | 19ca178b1 |
14 | d9763d20 |
15 | 8691ce33 |
hex | 55f56c78 |
1442147448 has 64 divisors (see below), whose sum is σ = 4220939520. Its totient is φ = 401990400.
The previous prime is 1442147411. The next prime is 1442147477. The reversal of 1442147448 is 8447412441.
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is a nude number because it is divisible by every one of its digits.
It is a congruent number.
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, 97798 + ... + 111573.
It is an arithmetic number, because the mean of its divisors is an integer number (65952180).
Almost surely, 21442147448 is an apocalyptic number.
It is an amenable number.
1442147448 is an abundant number, since it is smaller than the sum of its proper divisors (2778792072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1442147448 is a wasteful number, since it uses less digits than its factorization.
1442147448 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 209428 (or 209424 counting only the distinct ones).
The product of its digits is 114688, while the sum is 39.
The square root of 1442147448 is about 37975.6164926917. The cubic root of 1442147448 is about 1129.8042963873.
Adding to 1442147448 its reverse (8447412441), we get a palindrome (9889559889).
The spelling of 1442147448 in words is "one billion, four hundred forty-two million, one hundred forty-seven thousand, four hundred forty-eight".
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