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427892213 = 7101360343
BaseRepresentation
bin11001100000010…
…001110111110101
31002211011011202202
4121200101313311
51334020022323
6110243114245
713414011110
oct3140216765
91084134682
10427892213
111aa596831
12bb372985
136a859078
1440b85577
1527872d28
hex19811df5

427892213 has 8 divisors (see below), whose sum is σ = 489510528. Its totient is φ = 366396624.

The previous prime is 427892209. The next prime is 427892291. The reversal of 427892213 is 312298724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 427892213 - 22 = 427892209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427892813) 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, 23081 + ... + 37262.

It is an arithmetic number, because the mean of its divisors is an integer number (61188816).

Almost surely, 2427892213 is an apocalyptic number.

It is an amenable number.

427892213 is a deficient number, since it is larger than the sum of its proper divisors (61618315).

427892213 is a wasteful number, since it uses less digits than its factorization.

427892213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61363.

The product of its digits is 48384, while the sum is 38.

The square root of 427892213 is about 20685.5556608954. Note that the first 3 decimals coincide. The cubic root of 427892213 is about 753.5489361005.

The spelling of 427892213 in words is "four hundred twenty-seven million, eight hundred ninety-two thousand, two hundred thirteen".

Divisors: 1 7 1013 7091 60343 422401 61127459 427892213