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4221983 = 31136193
BaseRepresentation
bin10000000110110000011111
321221111110202
4100012300133
52040100413
6230254115
750612663
oct20066037
97844422
104221983
112424047
1214b733b
13b4a91c
147bc8a3
15585e58
hex406c1f

4221983 has 4 divisors (see below), whose sum is σ = 4358208. Its totient is φ = 4085760.

The previous prime is 4221977. The next prime is 4221989. The reversal of 4221983 is 3891224.

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

It is an interprime number because it is at equal distance from previous prime (4221977) and next prime (4221989).

It is a cyclic number.

It is not a de Polignac number, because 4221983 - 214 = 4205599 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 (4221989) 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, 68066 + ... + 68127.

It is an arithmetic number, because the mean of its divisors is an integer number (1089552).

Almost surely, 24221983 is an apocalyptic number.

4221983 is a deficient number, since it is larger than the sum of its proper divisors (136225).

4221983 is a wasteful number, since it uses less digits than its factorization.

4221983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136224.

The product of its digits is 3456, while the sum is 29.

The square root of 4221983 is about 2054.7464563785. The cubic root of 4221983 is about 161.6238669900.

The spelling of 4221983 in words is "four million, two hundred twenty-one thousand, nine hundred eighty-three".

Divisors: 1 31 136193 4221983