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422413081 = 1123376147
BaseRepresentation
bin11001001011011…
…000001100011001
31002102211210210221
4121023120030121
51331114204311
6105525440041
713316311006
oct3113301431
91072753727
10422413081
111a7494222
12b9570021
136968b18c
144015a8ad
152713e671
hex192d8319

422413081 has 4 divisors (see below), whose sum is σ = 422790352. Its totient is φ = 422035812.

The previous prime is 422413051. The next prime is 422413087. The reversal of 422413081 is 180314224.

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 422413081 - 27 = 422412953 is a prime.

It is a super-2 number, since 2×4224130812 = 356865621999825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422413087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186951 + ... + 189196.

It is an arithmetic number, because the mean of its divisors is an integer number (105697588).

Almost surely, 2422413081 is an apocalyptic number.

It is an amenable number.

422413081 is a deficient number, since it is larger than the sum of its proper divisors (377271).

422413081 is a wasteful number, since it uses less digits than its factorization.

422413081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377270.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 422413081 is about 20552.6903591720. The cubic root of 422413081 is about 750.3187273461.

The spelling of 422413081 in words is "four hundred twenty-two million, four hundred thirteen thousand, eighty-one".

Divisors: 1 1123 376147 422413081