Base | Representation |
---|---|
bin | 10101100010101… |
… | …111011111001111 |
3 | 221012002111022011 |
4 | 111202233133033 |
5 | 1220011211233 |
6 | 55510402051 |
7 | 11646044461 |
oct | 2542573717 |
9 | 835074264 |
10 | 361428943 |
11 | 176020a07 |
12 | a1060327 |
13 | 59b582a5 |
14 | 36004131 |
15 | 21ae50cd |
hex | 158af7cf |
361428943 has 4 divisors (see below), whose sum is σ = 373892040. Its totient is φ = 348965848.
The previous prime is 361428941. The next prime is 361428953. The reversal of 361428943 is 349824163.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 349824163 = 13 ⋅26909551.
It is a cyclic number.
It is not a de Polignac number, because 361428943 - 21 = 361428941 is a prime.
It is a Smith number, since the sum of its digits (40) 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 junction number, because it is equal to n+sod(n) for n = 361428896 and 361428905.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (361428941) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6231505 + ... + 6231562.
It is an arithmetic number, because the mean of its divisors is an integer number (93473010).
Almost surely, 2361428943 is an apocalyptic number.
361428943 is a deficient number, since it is larger than the sum of its proper divisors (12463097).
361428943 is a wasteful number, since it uses less digits than its factorization.
361428943 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12463096.
The product of its digits is 124416, while the sum is 40.
The square root of 361428943 is about 19011.2846225604. The cubic root of 361428943 is about 712.3186401235.
The spelling of 361428943 in words is "three hundred sixty-one million, four hundred twenty-eight thousand, nine hundred forty-three".
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