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422693 = 1922247
BaseRepresentation
bin1100111001100100101
3210110211022
41213030211
5102011233
613020525
73410225
oct1471445
9713738
10422693
11269637
12184745
1311a51b
14b0085
1585398
hex67325

422693 has 4 divisors (see below), whose sum is σ = 444960. Its totient is φ = 400428.

The previous prime is 422689. The next prime is 422701. The reversal of 422693 is 396224.

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 422693 - 22 = 422689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422393) 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, 11105 + ... + 11142.

It is an arithmetic number, because the mean of its divisors is an integer number (111240).

2422693 is an apocalyptic number.

It is an amenable number.

422693 is a deficient number, since it is larger than the sum of its proper divisors (22267).

422693 is a wasteful number, since it uses less digits than its factorization.

422693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22266.

The product of its digits is 2592, while the sum is 26.

The square root of 422693 is about 650.1484445878. The cubic root of 422693 is about 75.0484427780.

The spelling of 422693 in words is "four hundred twenty-two thousand, six hundred ninety-three".

Divisors: 1 19 22247 422693