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7993983 = 32664661
BaseRepresentation
bin11110011111101001111111
3120001010200110
4132133221333
54021301413
6443201103
7124643034
oct36375177
916033613
107993983
11456aaa8
122816193
13186b78a
1410c138b
15a7d8c3
hex79fa7f

7993983 has 4 divisors (see below), whose sum is σ = 10658648. Its totient is φ = 5329320.

The previous prime is 7993967. The next prime is 7993987. The reversal of 7993983 is 3893997.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7993983 - 24 = 7993967 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 (7993987) 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, 1332328 + ... + 1332333.

It is an arithmetic number, because the mean of its divisors is an integer number (2664662).

Almost surely, 27993983 is an apocalyptic number.

7993983 is a deficient number, since it is larger than the sum of its proper divisors (2664665).

7993983 is a wasteful number, since it uses less digits than its factorization.

7993983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2664664.

The product of its digits is 367416, while the sum is 48.

The square root of 7993983 is about 2827.3632592930. The cubic root of 7993983 is about 199.9498457571.

The spelling of 7993983 in words is "seven million, nine hundred ninety-three thousand, nine hundred eighty-three".

Divisors: 1 3 2664661 7993983