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1972193 = 5933427
BaseRepresentation
bin111100001011111100001
310201012100012
413201133201
51001102233
6110134305
722522556
oct7413741
93635305
101972193
111127813
127b1395
135408a2
14394a2d
1528e548
hex1e17e1

1972193 has 4 divisors (see below), whose sum is σ = 2005680. Its totient is φ = 1938708.

The previous prime is 1972177. The next prime is 1972207. The reversal of 1972193 is 3912791.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3912791 = 7949529.

It is a cyclic number.

It is not a de Polignac number, because 1972193 - 24 = 1972177 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1972123) 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, 16655 + ... + 16772.

It is an arithmetic number, because the mean of its divisors is an integer number (501420).

21972193 is an apocalyptic number.

It is an amenable number.

1972193 is a deficient number, since it is larger than the sum of its proper divisors (33487).

1972193 is an equidigital number, since it uses as much as digits as its factorization.

1972193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33486.

The product of its digits is 3402, while the sum is 32.

The square root of 1972193 is about 1404.3478913717. The cubic root of 1972193 is about 125.4054673478.

The spelling of 1972193 in words is "one million, nine hundred seventy-two thousand, one hundred ninety-three".

Divisors: 1 59 33427 1972193