Base | Representation |
---|---|
bin | 10010001010011… |
… | …10100101011101 |
3 | 101121200222001011 |
4 | 21011032211131 |
5 | 303001143110 |
6 | 23041415221 |
7 | 3530041003 |
oct | 1105164535 |
9 | 347628034 |
10 | 152365405 |
11 | 79008425 |
12 | 4303a511 |
13 | 2574975a |
14 | 16342a73 |
15 | d59a48a |
hex | 914e95d |
152365405 has 4 divisors (see below), whose sum is σ = 182838492. Its totient is φ = 121892320.
The previous prime is 152365357. The next prime is 152365453. The reversal of 152365405 is 504563251.
152365405 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 an emirpimes, since its reverse is a distinct semiprime: 504563251 = 97 ⋅5201683.
It is an interprime number because it is at equal distance from previous prime (152365357) and next prime (152365453).
It can be written as a sum of positive squares in 2 ways, for example, as 101969604 + 50395801 = 10098^2 + 7099^2 .
It is not a de Polignac number, because 152365405 - 217 = 152234333 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15236536 + ... + 15236545.
It is an arithmetic number, because the mean of its divisors is an integer number (45709623).
Almost surely, 2152365405 is an apocalyptic number.
It is an amenable number.
152365405 is a deficient number, since it is larger than the sum of its proper divisors (30473087).
152365405 is an equidigital number, since it uses as much as digits as its factorization.
152365405 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30473086.
The product of its (nonzero) digits is 18000, while the sum is 31.
The square root of 152365405 is about 12343.6382400004. The cubic root of 152365405 is about 534.1076398386.
The spelling of 152365405 in words is "one hundred fifty-two million, three hundred sixty-five thousand, four hundred five".
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