Base | Representation |
---|---|
bin | 10001101010010… |
… | …10101001111001 |
3 | 101022210001110021 |
4 | 20311022221321 |
5 | 300411430001 |
6 | 22411250441 |
7 | 3446203531 |
oct | 1065125171 |
9 | 338701407 |
10 | 148155001 |
11 | 766a2055 |
12 | 41749a21 |
13 | 249041a7 |
14 | 159684c1 |
15 | d017ba1 |
hex | 8d4aa79 |
148155001 has 4 divisors (see below), whose sum is σ = 148718592. Its totient is φ = 147591412.
The previous prime is 148154977. The next prime is 148155041. The reversal of 148155001 is 100551841.
It is a happy number.
148155001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 148155001 - 25 = 148154969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (148155041) 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, 281401 + ... + 281926.
It is an arithmetic number, because the mean of its divisors is an integer number (37179648).
Almost surely, 2148155001 is an apocalyptic number.
It is an amenable number.
148155001 is a deficient number, since it is larger than the sum of its proper divisors (563591).
148155001 is an equidigital number, since it uses as much as digits as its factorization.
148155001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563590.
The product of its (nonzero) digits is 800, while the sum is 25.
The square root of 148155001 is about 12171.8938953640. The cubic root of 148155001 is about 529.1418425318.
The spelling of 148155001 in words is "one hundred forty-eight million, one hundred fifty-five thousand, one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •