Base | Representation |
---|---|
bin | 101010111111110… |
… | …0001100001010010 |
3 | 10201112201112220221 |
4 | 1111333201201102 |
5 | 10423313400410 |
6 | 355054223254 |
7 | 50515611211 |
oct | 12577414122 |
9 | 3645645827 |
10 | 1442715730 |
11 | 680414755 |
12 | 3431b4b2a |
13 | 19cb86461 |
14 | d9871078 |
15 | 869d14da |
hex | 55fe1852 |
1442715730 has 16 divisors (see below), whose sum is σ = 2597321664. Its totient is φ = 576990000.
The previous prime is 1442715719. The next prime is 1442715737. The reversal of 1442715730 is 375172441.
It is not an unprimeable number, because it can be changed into a prime (1442715737) 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, 106099 + ... + 118921.
It is an arithmetic number, because the mean of its divisors is an integer number (162332604).
Almost surely, 21442715730 is an apocalyptic number.
1442715730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1442715730 is a deficient number, since it is larger than the sum of its proper divisors (1154605934).
1442715730 is a wasteful number, since it uses less digits than its factorization.
1442715730 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24081.
The product of its (nonzero) digits is 23520, while the sum is 34.
The square root of 1442715730 is about 37983.0979515889. The cubic root of 1442715730 is about 1129.9526776852.
The spelling of 1442715730 in words is "one billion, four hundred forty-two million, seven hundred fifteen thousand, seven hundred thirty".
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