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427227768 = 2332112192989
BaseRepresentation
bin11001011101101…
…111101001111000
31002202220102022200
4121131233221320
51333332242033
6110220550200
713405243002
oct3135575170
91082812280
10427227768
111aa182600
12bb0b2360
136a6857c6
1440a51372
1527791013
hex1976fa78

427227768 has 288 divisors, whose sum is σ = 1400490000. Its totient is φ = 117089280.

The previous prime is 427227763. The next prime is 427227769. The reversal of 427227768 is 867722724.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427227761) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4800268 + ... + 4800356.

Almost surely, 2427227768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427227768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700245000).

427227768 is an abundant number, since it is smaller than the sum of its proper divisors (973262232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427227768 is a wasteful number, since it uses less digits than its factorization.

427227768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 153 counting only the distinct ones).

The product of its digits is 526848, while the sum is 45.

The square root of 427227768 is about 20669.4888180622. The cubic root of 427227768 is about 753.1586889035.

The spelling of 427227768 in words is "four hundred twenty-seven million, two hundred twenty-seven thousand, seven hundred sixty-eight".