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2193801 = 3731267
BaseRepresentation
bin1000010111100110001001
311010110022220
420113212021
51030200201
6115004253
724434631
oct10274611
94113286
102193801
111269265
12899689
135ba70c
144116c1
152d5036
hex217989

2193801 has 4 divisors (see below), whose sum is σ = 2925072. Its totient is φ = 1462532.

The previous prime is 2193791. The next prime is 2193803. The reversal of 2193801 is 1083912.

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 2193801 - 25 = 2193769 is a prime.

It is a D-number.

2193801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2193803) 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, 365631 + ... + 365636.

It is an arithmetic number, because the mean of its divisors is an integer number (731268).

22193801 is an apocalyptic number.

It is an amenable number.

2193801 is a deficient number, since it is larger than the sum of its proper divisors (731271).

2193801 is an equidigital number, since it uses as much as digits as its factorization.

2193801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731270.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2193801 is about 1481.1485408290. The cubic root of 2193801 is about 129.9368727037.

The spelling of 2193801 in words is "two million, one hundred ninety-three thousand, eight hundred one".

Divisors: 1 3 731267 2193801