Base | Representation |
---|---|
bin | 10001101010111… |
… | …10010011111001 |
3 | 101022221010220012 |
4 | 20311132103321 |
5 | 300422014023 |
6 | 22413111305 |
7 | 3446660336 |
oct | 1065362371 |
9 | 338833805 |
10 | 148235513 |
11 | 76747598 |
12 | 41788535 |
13 | 24931a2a |
14 | 1598998d |
15 | d031978 |
hex | 8d5e4f9 |
148235513 has 4 divisors (see below), whose sum is σ = 148299408. Its totient is φ = 148171620.
The previous prime is 148235489. The next prime is 148235519. The reversal of 148235513 is 315532841.
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 148235513 - 214 = 148219129 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 148235513.
It is not an unprimeable number, because it can be changed into a prime (148235519) 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, 28331 + ... + 33152.
It is an arithmetic number, because the mean of its divisors is an integer number (37074852).
Almost surely, 2148235513 is an apocalyptic number.
It is an amenable number.
148235513 is a deficient number, since it is larger than the sum of its proper divisors (63895).
148235513 is an equidigital number, since it uses as much as digits as its factorization.
148235513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 63894.
The product of its digits is 14400, while the sum is 32.
The square root of 148235513 is about 12175.2007375649. The cubic root of 148235513 is about 529.2376758436.
The spelling of 148235513 in words is "one hundred forty-eight million, two hundred thirty-five thousand, five hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •