Base | Representation |
---|---|
bin | 10001101010111… |
… | …10011101101001 |
3 | 101022221011202022 |
4 | 20311132131221 |
5 | 300422024022 |
6 | 22413114225 |
7 | 3446662220 |
oct | 1065363551 |
9 | 338834668 |
10 | 148236137 |
11 | 76748005 |
12 | 41788975 |
13 | 249320ba |
14 | 15989cb7 |
15 | d031c42 |
hex | 8d5e769 |
148236137 has 4 divisors (see below), whose sum is σ = 169412736. Its totient is φ = 127059540.
The previous prime is 148236131. The next prime is 148236163. The reversal of 148236137 is 731632841.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 148236137 - 28 = 148235881 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 148236097 and 148236106.
It is not an unprimeable number, because it can be changed into a prime (148236131) 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, 10588289 + ... + 10588302.
It is an arithmetic number, because the mean of its divisors is an integer number (42353184).
Almost surely, 2148236137 is an apocalyptic number.
It is an amenable number.
148236137 is a deficient number, since it is larger than the sum of its proper divisors (21176599).
148236137 is an equidigital number, since it uses as much as digits as its factorization.
148236137 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21176598.
The product of its digits is 24192, while the sum is 35.
The square root of 148236137 is about 12175.2263633988. The cubic root of 148236137 is about 529.2384184543.
Adding to 148236137 its reverse (731632841), we get a palindrome (879868978).
The spelling of 148236137 in words is "one hundred forty-eight million, two hundred thirty-six thousand, one hundred thirty-seven".
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