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7983241 = 71140463
BaseRepresentation
bin11110011101000010001001
3120000120221121
4132131002021
54020430431
6443035241
7124566520
oct36350211
916016847
107983241
114562a22
12280bb21
131866916
1410bb4b7
15a7a611
hex79d089

7983241 has 4 divisors (see below), whose sum is σ = 9123712. Its totient is φ = 6842772.

The previous prime is 7983229. The next prime is 7983247. The reversal of 7983241 is 1423897.

7983241 is digitally balanced in base 3, 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7983241 - 29 = 7982729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7983197 and 7983206.

It is not an unprimeable number, because it can be changed into a prime (7983247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570225 + ... + 570238.

It is an arithmetic number, because the mean of its divisors is an integer number (2280928).

Almost surely, 27983241 is an apocalyptic number.

It is an amenable number.

7983241 is a deficient number, since it is larger than the sum of its proper divisors (1140471).

7983241 is a wasteful number, since it uses less digits than its factorization.

7983241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140470.

The product of its digits is 12096, while the sum is 34.

The square root of 7983241 is about 2825.4629709129. The cubic root of 7983241 is about 199.8602440308.

The spelling of 7983241 in words is "seven million, nine hundred eighty-three thousand, two hundred forty-one".

Divisors: 1 7 1140463 7983241