| Base | Representation |
|---|---|
| bin | 101010111111100… |
| … | …1000100110001101 |
| 3 | 10201112112100220000 |
| 4 | 1111333020212031 |
| 5 | 10423302114040 |
| 6 | 355052114513 |
| 7 | 50515004454 |
| oct | 12577104615 |
| 9 | 3645470800 |
| 10 | 1442613645 |
| 11 | 680354a90 |
| 12 | 343165a39 |
| 13 | 19cb4bb55 |
| 14 | d9845b9b |
| 15 | 869b1130 |
| hex | 55fc898d |
1442613645 has 40 divisors (see below), whose sum is σ = 2821119840. Its totient is φ = 699446880.
The previous prime is 1442613643. The next prime is 1442613647. The reversal of 1442613645 is 5463162441.
1442613645 is a `hidden beast` number, since 1 + 4 + 4 + 2 + 6 + 1 + 3 + 645 = 666.
It is an interprime number because it is at equal distance from previous prime (1442613643) and next prime (1442613647).
It is not a de Polignac number, because 1442613645 - 21 = 1442613643 is a prime.
It is a super-3 number, since 3×14426136453 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1442613643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 157455 + ... + 166364.
It is an arithmetic number, because the mean of its divisors is an integer number (70527996).
Almost surely, 21442613645 is an apocalyptic number.
1442613645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1442613645 is a deficient number, since it is larger than the sum of its proper divisors (1378506195).
1442613645 is a wasteful number, since it uses less digits than its factorization.
1442613645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 323847 (or 323838 counting only the distinct ones).
The product of its digits is 69120, while the sum is 36.
The square root of 1442613645 is about 37981.7541064127. The cubic root of 1442613645 is about 1129.9260256480.
The spelling of 1442613645 in words is "one billion, four hundred forty-two million, six hundred thirteen thousand, six hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •