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4171993 = 72325913
BaseRepresentation
bin1111111010100011011001
321211221220021
433322203121
52032000433
6225230441
750314150
oct17724331
97757807
104171993
11239a531
121492421
13b30c47
147a8597
1557622d
hex3fa8d9

4171993 has 8 divisors (see below), whose sum is σ = 4975488. Its totient is φ = 3420384.

The previous prime is 4171991. The next prime is 4172029. The reversal of 4171993 is 3991714.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4171993 - 21 = 4171991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4171991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12796 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (621936).

Almost surely, 24171993 is an apocalyptic number.

It is an amenable number.

4171993 is a deficient number, since it is larger than the sum of its proper divisors (803495).

4171993 is a wasteful number, since it uses less digits than its factorization.

4171993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25943.

The product of its digits is 6804, while the sum is 34.

The square root of 4171993 is about 2042.5457155227. The cubic root of 4171993 is about 160.9834351487.

The spelling of 4171993 in words is "four million, one hundred seventy-one thousand, nine hundred ninety-three".

Divisors: 1 7 23 161 25913 181391 595999 4171993