Base | Representation |
---|---|
bin | 10001110000100… |
… | …01110101111111 |
3 | 101101022111121222 |
4 | 20320101311333 |
5 | 301114032004 |
6 | 22440543555 |
7 | 3456142301 |
oct | 1070216577 |
9 | 341274558 |
10 | 148970879 |
11 | 770aa032 |
12 | 41a81bbb |
13 | 24b2b665 |
14 | 15adb971 |
15 | d1297be |
hex | 8e11d7f |
148970879 has 2 divisors, whose sum is σ = 148970880. Its totient is φ = 148970878.
The previous prime is 148970867. The next prime is 148970909. The reversal of 148970879 is 978079841.
It is a weak prime.
It is an emirp because it is prime and its reverse (978079841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 148970879 - 28 = 148970623 is a prime.
It is a Sophie Germain prime.
It is a self number, because there is not a number n which added to its sum of digits gives 148970879.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (148970579) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74485439 + 74485440.
It is an arithmetic number, because the mean of its divisors is an integer number (74485440).
Almost surely, 2148970879 is an apocalyptic number.
148970879 is a deficient number, since it is larger than the sum of its proper divisors (1).
148970879 is an equidigital number, since it uses as much as digits as its factorization.
148970879 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1016064, while the sum is 53.
The square root of 148970879 is about 12205.3627148070. The cubic root of 148970879 is about 530.1113792265. Note that the first 3 decimals are identical.
The spelling of 148970879 in words is "one hundred forty-eight million, nine hundred seventy thousand, eight hundred seventy-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.092 sec. • engine limits •