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23422001 = 101231901
BaseRepresentation
bin101100101011…
…0010000110001
31122001221221112
41121112100301
521444001001
62154003105
7403040501
oct131262061
948057845
1023422001
1112248329
127a16495
134b10b95
143179a01
1520c9cbb
hex1656431

23422001 has 4 divisors (see below), whose sum is σ = 23654004. Its totient is φ = 23190000.

The previous prime is 23421989. The next prime is 23422013. The reversal of 23422001 is 10022432.

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 (23421989) and next prime (23422013).

It can be written as a sum of positive squares in 2 ways, for example, as 21669025 + 1752976 = 4655^2 + 1324^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23422001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23422031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115850 + ... + 116051.

It is an arithmetic number, because the mean of its divisors is an integer number (5913501).

Almost surely, 223422001 is an apocalyptic number.

It is an amenable number.

23422001 is a deficient number, since it is larger than the sum of its proper divisors (232003).

23422001 is a wasteful number, since it uses less digits than its factorization.

23422001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232002.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 23422001 is about 4839.6281881979. The cubic root of 23422001 is about 286.1154643242.

Adding to 23422001 its reverse (10022432), we get a palindrome (33444433).

The spelling of 23422001 in words is "twenty-three million, four hundred twenty-two thousand, one".

Divisors: 1 101 231901 23422001