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420112303 = 1332316331
BaseRepresentation
bin11001000010100…
…110011110101111
31002021111220201221
4121002212132233
51330022043203
6105404244211
713260616132
oct3102463657
91067456657
10420112303
111a6162656
12b8840667
1369063b80
143db1c219
1526d37abd
hex190a67af

420112303 has 4 divisors (see below), whose sum is σ = 452428648. Its totient is φ = 387795960.

The previous prime is 420112271. The next prime is 420112309. The reversal of 420112303 is 303211024.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420112303 - 25 = 420112271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420112309) 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, 16158153 + ... + 16158178.

It is an arithmetic number, because the mean of its divisors is an integer number (113107162).

Almost surely, 2420112303 is an apocalyptic number.

420112303 is a deficient number, since it is larger than the sum of its proper divisors (32316345).

420112303 is a wasteful number, since it uses less digits than its factorization.

420112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32316344.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 420112303 is about 20496.6412614360. The cubic root of 420112303 is about 748.9539806176.

Adding to 420112303 its reverse (303211024), we get a palindrome (723323327).

The spelling of 420112303 in words is "four hundred twenty million, one hundred twelve thousand, three hundred three".

Divisors: 1 13 32316331 420112303