Base | Representation |
---|---|
bin | 10011110000110… |
… | …110110101110001 |
3 | 212002220201220021 |
4 | 103300312311301 |
5 | 1134340342031 |
6 | 52522443441 |
7 | 11134223626 |
oct | 2360666561 |
9 | 762821807 |
10 | 331574641 |
11 | 16018aa32 |
12 | 93063581 |
13 | 53904718 |
14 | 3207234d |
15 | 1e199511 |
hex | 13c36d71 |
331574641 has 4 divisors (see below), whose sum is σ = 331702000. Its totient is φ = 331447284.
The previous prime is 331574629. The next prime is 331574651. The reversal of 331574641 is 146475133.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146475133 = 7 ⋅20925019.
It is a cyclic number.
It is not a de Polignac number, because 331574641 - 25 = 331574609 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 331574597 and 331574606.
It is not an unprimeable number, because it can be changed into a prime (331574651) 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, 59691 + ... + 65008.
It is an arithmetic number, because the mean of its divisors is an integer number (82925500).
Almost surely, 2331574641 is an apocalyptic number.
It is an amenable number.
331574641 is a deficient number, since it is larger than the sum of its proper divisors (127359).
331574641 is a wasteful number, since it uses less digits than its factorization.
331574641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127358.
The product of its digits is 30240, while the sum is 34.
The square root of 331574641 is about 18209.1911132812. The cubic root of 331574641 is about 692.1397143194.
The spelling of 331574641 in words is "three hundred thirty-one million, five hundred seventy-four thousand, six hundred forty-one".
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