Base | Representation |
---|---|
bin | 10101111100010… |
… | …001011001110101 |
3 | 221122200111201012 |
4 | 111330101121311 |
5 | 1223214341321 |
6 | 100310042005 |
7 | 12056660261 |
oct | 2574213165 |
9 | 848614635 |
10 | 368121461 |
11 | 179882114 |
12 | a3349305 |
13 | 5b35c566 |
14 | 36c670a1 |
15 | 224b805b |
hex | 15f11675 |
368121461 has 4 divisors (see below), whose sum is σ = 369164652. Its totient is φ = 367078272.
The previous prime is 368121427. The next prime is 368121503. The reversal of 368121461 is 164121863.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164121863 = 313 ⋅524351.
It can be written as a sum of positive squares in 2 ways, for example, as 264712900 + 103408561 = 16270^2 + 10169^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-368121461 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 (368121401) 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, 521066 + ... + 521771.
It is an arithmetic number, because the mean of its divisors is an integer number (92291163).
Almost surely, 2368121461 is an apocalyptic number.
It is an amenable number.
368121461 is a deficient number, since it is larger than the sum of its proper divisors (1043191).
368121461 is a wasteful number, since it uses less digits than its factorization.
368121461 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1043190.
The product of its digits is 6912, while the sum is 32.
The square root of 368121461 is about 19186.4916282264. The cubic root of 368121461 is about 716.6884062151.
The spelling of 368121461 in words is "three hundred sixty-eight million, one hundred twenty-one thousand, four hundred sixty-one".
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