Base | Representation |
---|---|
bin | 101100010000011… |
… | …1100100101100100 |
3 | 10211111100102122001 |
4 | 1120200330211210 |
5 | 11020132004110 |
6 | 403205215044 |
7 | 51541363501 |
oct | 13040744544 |
9 | 3744312561 |
10 | 1485031780 |
11 | 6a22973a1 |
12 | 355401484 |
13 | 1a888123b |
14 | 1013284a8 |
15 | 8a58e63a |
hex | 5883c964 |
1485031780 has 24 divisors (see below), whose sum is σ = 3121634880. Its totient is φ = 593428320.
The previous prime is 1485031727. The next prime is 1485031799. The reversal of 1485031780 is 871305841.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15390 + ... + 56629.
It is an arithmetic number, because the mean of its divisors is an integer number (130068120).
Almost surely, 21485031780 is an apocalyptic number.
1485031780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1485031780 is an abundant number, since it is smaller than the sum of its proper divisors (1636603100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1485031780 is a wasteful number, since it uses less digits than its factorization.
1485031780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73059 (or 73057 counting only the distinct ones).
The product of its (nonzero) digits is 26880, while the sum is 37.
The square root of 1485031780 is about 38536.1100787301. The cubic root of 1485031780 is about 1140.8938767447.
The spelling of 1485031780 in words is "one billion, four hundred eighty-five million, thirty-one thousand, seven hundred eighty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •