Search a number
-
+
3281481026 = 21640740513
BaseRepresentation
bin1100001110010111…
…0110110101000010
322110200200111201022
43003211312311002
523210024343101
61301341305442
7144214062035
oct30345666502
98420614638
103281481026
11143434629a
12776b65282
13403aca065
14231b5901c
15143145a1b
hexc3976d42

3281481026 has 4 divisors (see below), whose sum is σ = 4922221542. Its totient is φ = 1640740512.

The previous prime is 3281481023. The next prime is 3281481097. The reversal of 3281481026 is 6201841823.

3281481026 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.

It can be written as a sum of positive squares in only one way, i.e., 3248430025 + 33051001 = 56995^2 + 5749^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3281481023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820370255 + ... + 820370258.

Almost surely, 23281481026 is an apocalyptic number.

3281481026 is a deficient number, since it is larger than the sum of its proper divisors (1640740516).

3281481026 is a wasteful number, since it uses less digits than its factorization.

3281481026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640740515.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 3281481026 is about 57284.2127117062. The cubic root of 3281481026 is about 1486.0153623060.

The spelling of 3281481026 in words is "three billion, two hundred eighty-one million, four hundred eighty-one thousand, twenty-six".

Divisors: 1 2 1640740513 3281481026