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422044237 = 371672409
BaseRepresentation
bin11001001001111…
…110001001001101
31002102011001212001
4121021332021031
51331020403422
6105513512301
713313213446
oct3111761115
91072131761
10422044237
111a726209a
12b9412691
136958c324
14400a22cd
15270ba227
hex1927e24d

422044237 has 12 divisors (see below), whose sum is σ = 437128060. Its totient is φ = 407180736.

The previous prime is 422044223. The next prime is 422044243. The reversal of 422044237 is 732440224.

It can be written as a sum of positive squares in 2 ways, for example, as 381772521 + 40271716 = 19539^2 + 6346^2 .

It is not a de Polignac number, because 422044237 - 211 = 422042189 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 (422044277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1031689 + ... + 1032097.

Almost surely, 2422044237 is an apocalyptic number.

It is an amenable number.

422044237 is a deficient number, since it is larger than the sum of its proper divisors (15083823).

422044237 is an equidigital number, since it uses as much as digits as its factorization.

422044237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 613 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 422044237 is about 20543.7152676920. The cubic root of 422044237 is about 750.1002751852.

The spelling of 422044237 in words is "four hundred twenty-two million, forty-four thousand, two hundred thirty-seven".

Divisors: 1 37 167 409 6179 15133 27889 68303 1031893 2527211 11406601 422044237