Base | Representation |
---|---|
bin | 101100010010001… |
… | …0011011100010110 |
3 | 10211120000010211111 |
4 | 1120210103130112 |
5 | 11020343134310 |
6 | 403240125234 |
7 | 51552020314 |
oct | 13044233426 |
9 | 3746003744 |
10 | 1485911830 |
11 | 6a2838607 |
12 | 35576681a |
13 | 1a8acb990 |
14 | 1014b70b4 |
15 | 8a6b528a |
hex | 58913716 |
1485911830 has 32 divisors (see below), whose sum is σ = 2882220768. Its totient is φ = 548294400.
The previous prime is 1485911771. The next prime is 1485911837. The reversal of 1485911830 is 381195841.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1485911837) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294025 + ... + 299035.
It is an arithmetic number, because the mean of its divisors is an integer number (90069399).
Almost surely, 21485911830 is an apocalyptic number.
1485911830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1485911830 is a deficient number, since it is larger than the sum of its proper divisors (1396308938).
1485911830 is a wasteful number, since it uses less digits than its factorization.
1485911830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7312.
The product of its (nonzero) digits is 34560, while the sum is 40.
The square root of 1485911830 is about 38547.5268986222. The cubic root of 1485911830 is about 1141.1192019753.
The spelling of 1485911830 in words is "one billion, four hundred eighty-five million, nine hundred eleven thousand, eight hundred thirty".
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