Base | Representation |
---|---|
bin | 10010100100100… |
… | …10111001011101 |
3 | 101212010222222212 |
4 | 21102102321131 |
5 | 304340302231 |
6 | 23243050205 |
7 | 3601125665 |
oct | 1122227135 |
9 | 355128885 |
10 | 155790941 |
11 | 7aa38049 |
12 | 44210965 |
13 | 263789b7 |
14 | 169951a5 |
15 | da2542b |
hex | 9492e5d |
155790941 has 12 divisors (see below), whose sum is σ = 165945780. Its totient is φ = 146227200.
The previous prime is 155790911. The next prime is 155790961. The reversal of 155790941 is 149097551.
155790941 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 28665316 + 127125625 = 5354^2 + 11275^2 .
It is not a de Polignac number, because 155790941 - 214 = 155774557 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (155790911) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202205 + ... + 202973.
It is an arithmetic number, because the mean of its divisors is an integer number (13828815).
Almost surely, 2155790941 is an apocalyptic number.
It is an amenable number.
155790941 is a deficient number, since it is larger than the sum of its proper divisors (10154839).
155790941 is an equidigital number, since it uses as much as digits as its factorization.
155790941 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1504 (or 1487 counting only the distinct ones).
The product of its (nonzero) digits is 56700, while the sum is 41.
The square root of 155790941 is about 12481.6241331006. The cubic root of 155790941 is about 538.0806816898.
The spelling of 155790941 in words is "one hundred fifty-five million, seven hundred ninety thousand, nine hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.128 sec. • engine limits •