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427618422 = 232711308527
BaseRepresentation
bin11001011111001…
…111000001110110
31002210122021012100
4121133033001312
51333432242142
6110233202530
713411460640
oct3137170166
91083567170
10427618422
111aa41a060
12bb260446
136a79156a
1440b13890
152781bb4c
hex197cf076

427618422 has 48 divisors (see below), whose sum is σ = 1155128832. Its totient is φ = 111069360.

The previous prime is 427618393. The next prime is 427618423. The reversal of 427618422 is 224816724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427618423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152878 + ... + 155649.

It is an arithmetic number, because the mean of its divisors is an integer number (24065184).

Almost surely, 2427618422 is an apocalyptic number.

427618422 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

427618422 is an abundant number, since it is smaller than the sum of its proper divisors (727510410).

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

427618422 is a wasteful number, since it uses less digits than its factorization.

427618422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308553 (or 308550 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 427618422 is about 20678.9366747906. The cubic root of 427618422 is about 753.3881799331.

The spelling of 427618422 in words is "four hundred twenty-seven million, six hundred eighteen thousand, four hundred twenty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 308527 617054 925581 1851162 2159689 2776743 3393797 4319378 5553486 6479067 6787594 10181391 12958134 19437201 20362782 23756579 30544173 38874402 47513158 61088346 71269737 142539474 213809211 427618422