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3946983 = 31315661
BaseRepresentation
bin1111000011100111100111
321102112020120
433003213213
52002300413
6220333023
745356145
oct17034747
97375216
103946983
112256477
1213a4173
13a826c1
1474a595
1552e723
hex3c39e7

3946983 has 4 divisors (see below), whose sum is σ = 5262648. Its totient is φ = 2631320.

The previous prime is 3946981. The next prime is 3946991. The reversal of 3946983 is 3896493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3896493 = 31298831.

It is a cyclic number.

It is not a de Polignac number, because 3946983 - 21 = 3946981 is a prime.

It is a D-number.

3946983 is a lucky number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946981) 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, 657828 + ... + 657833.

It is an arithmetic number, because the mean of its divisors is an integer number (1315662).

Almost surely, 23946983 is an apocalyptic number.

3946983 is a deficient number, since it is larger than the sum of its proper divisors (1315665).

3946983 is a wasteful number, since it uses less digits than its factorization.

3946983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315664.

The product of its digits is 139968, while the sum is 42.

The square root of 3946983 is about 1986.7015377253. The cubic root of 3946983 is about 158.0356566431.

The spelling of 3946983 in words is "three million, nine hundred forty-six thousand, nine hundred eighty-three".

Divisors: 1 3 1315661 3946983