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226131471 = 3225125719
BaseRepresentation
bin11010111101001…
…11111000001111
3120202111200001200
431132213320033
5430342201341
634234440543
75414041266
oct1536477017
9522450050
10226131471
11106710a15
1263893153
1337b06507
14220655dd
1514cbbdb6
hexd7a7e0f

226131471 has 6 divisors (see below), whose sum is σ = 326634360. Its totient is φ = 150754308.

The previous prime is 226131463. The next prime is 226131491. The reversal of 226131471 is 174131622.

226131471 is a `hidden beast` number, since 2 + 2 + 613 + 1 + 47 + 1 = 666.

It is not a de Polignac number, because 226131471 - 23 = 226131463 is a prime.

It is a super-3 number, since 3×2261314713 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226131401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12562851 + ... + 12562868.

It is an arithmetic number, because the mean of its divisors is an integer number (54439060).

Almost surely, 2226131471 is an apocalyptic number.

226131471 is a deficient number, since it is larger than the sum of its proper divisors (100502889).

226131471 is a wasteful number, since it uses less digits than its factorization.

226131471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25125725 (or 25125722 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 226131471 is about 15037.6684030471. The cubic root of 226131471 is about 609.2380264603.

The spelling of 226131471 in words is "two hundred twenty-six million, one hundred thirty-one thousand, four hundred seventy-one".

Divisors: 1 3 9 25125719 75377157 226131471