Base | Representation |
---|---|
bin | 10001101110101… |
… | …10011001010101 |
3 | 101100212010121112 |
4 | 20313112121111 |
5 | 301033234011 |
6 | 22431424405 |
7 | 3454106345 |
oct | 1067263125 |
9 | 340763545 |
10 | 148727381 |
11 | 76a530a0 |
12 | 41985105 |
13 | 24a7488a |
14 | 15a76d25 |
15 | d0cc58b |
hex | 8dd6655 |
148727381 has 8 divisors (see below), whose sum is σ = 165309984. Its totient is φ = 132655120.
The previous prime is 148727363. The next prime is 148727387. The reversal of 148727381 is 183727841.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 148727381 - 218 = 148465237 is a prime.
It is a super-2 number, since 2×1487273812 = 44239667718238322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148727387) 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, 126971 + ... + 128136.
It is an arithmetic number, because the mean of its divisors is an integer number (20663748).
Almost surely, 2148727381 is an apocalyptic number.
148727381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
148727381 is a deficient number, since it is larger than the sum of its proper divisors (16582603).
148727381 is a wasteful number, since it uses less digits than its factorization.
148727381 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 255171.
The product of its digits is 75264, while the sum is 41.
The square root of 148727381 is about 12195.3835938030. The cubic root of 148727381 is about 529.8223933196.
The spelling of 148727381 in words is "one hundred forty-eight million, seven hundred twenty-seven thousand, three hundred eighty-one".
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