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427027188 = 22375083657
BaseRepresentation
bin11001011100111…
…110101011110100
31002202112020011210
4121130332223310
51333304332223
6110212401420
713403446140
oct3134765364
91082466153
10427027188
111aa055935
12bb016270
136a615413
14409dc220
1527751893
hex1973eaf4

427027188 has 24 divisors (see below), whose sum is σ = 1138739392. Its totient is φ = 122007744.

The previous prime is 427027187. The next prime is 427027189. The reversal of 427027188 is 881720724.

It is an interprime number because it is at equal distance from previous prime (427027187) and next prime (427027189).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427027187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2541745 + ... + 2541912.

Almost surely, 2427027188 is an apocalyptic number.

It is an amenable number.

427027188 is an abundant number, since it is smaller than the sum of its proper divisors (711712204).

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

427027188 is a wasteful number, since it uses less digits than its factorization.

427027188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083671 (or 5083669 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 39.

The square root of 427027188 is about 20664.6361690691. The cubic root of 427027188 is about 753.0408031377.

The spelling of 427027188 in words is "four hundred twenty-seven million, twenty-seven thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 5083657 10167314 15250971 20334628 30501942 35585599 61003884 71171198 106756797 142342396 213513594 427027188