Base | Representation |
---|---|
bin | 10001110000101… |
… | …01101111100111 |
3 | 101101100022112200 |
4 | 20320111233213 |
5 | 301120034410 |
6 | 22441145543 |
7 | 3456240003 |
oct | 1070255747 |
9 | 341308480 |
10 | 148986855 |
11 | 77110036 |
12 | 41a8b2b3 |
13 | 24b35a04 |
14 | 15b03703 |
15 | d12e3c0 |
hex | 8e15be7 |
148986855 has 12 divisors (see below), whose sum is σ = 258243960. Its totient is φ = 79459632.
The previous prime is 148986853. The next prime is 148986863. The reversal of 148986855 is 558689841.
It is a happy number.
148986855 is a `hidden beast` number, since 1 + 489 + 86 + 85 + 5 = 666.
It is not a de Polignac number, because 148986855 - 21 = 148986853 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148986853) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1655365 + ... + 1655454.
It is an arithmetic number, because the mean of its divisors is an integer number (21520330).
Almost surely, 2148986855 is an apocalyptic number.
148986855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
148986855 is a deficient number, since it is larger than the sum of its proper divisors (109257105).
148986855 is a wasteful number, since it uses less digits than its factorization.
148986855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3310830 (or 3310827 counting only the distinct ones).
The product of its digits is 2764800, while the sum is 54.
The square root of 148986855 is about 12206.0171636779. The cubic root of 148986855 is about 530.1303286944.
The spelling of 148986855 in words is "one hundred forty-eight million, nine hundred eighty-six thousand, eight hundred fifty-five".
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