Base | Representation |
---|---|
bin | 10001101010010… |
… | …11100101001111 |
3 | 101022210020122221 |
4 | 20311023211033 |
5 | 300412040144 |
6 | 22411320211 |
7 | 3446220565 |
oct | 1065134517 |
9 | 338706587 |
10 | 148158799 |
11 | 766a4998 |
12 | 41750067 |
13 | 24905b39 |
14 | 15969a35 |
15 | d018d84 |
hex | 8d4b94f |
148158799 has 4 divisors (see below), whose sum is σ = 148249240. Its totient is φ = 148068360.
The previous prime is 148158793. The next prime is 148158823. The reversal of 148158799 is 997851841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997851841 = 7 ⋅142550263.
It is a cyclic number.
It is not a de Polignac number, because 148158799 - 27 = 148158671 is a prime.
It is a super-2 number, since 2×1481587992 = 43902059442244802, 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 (148158793) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42717 + ... + 46054.
It is an arithmetic number, because the mean of its divisors is an integer number (37062310).
Almost surely, 2148158799 is an apocalyptic number.
148158799 is a deficient number, since it is larger than the sum of its proper divisors (90441).
148158799 is an equidigital number, since it uses as much as digits as its factorization.
148158799 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90440.
The product of its digits is 725760, while the sum is 52.
The square root of 148158799 is about 12172.0499095263. The cubic root of 148158799 is about 529.1463640656.
The spelling of 148158799 in words is "one hundred forty-eight million, one hundred fifty-eight thousand, seven hundred ninety-nine".
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