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228671463 = 3431772647
BaseRepresentation
bin11011010000100…
…11111111100111
3120221021201021110
431220103333213
5432014441323
634405120103
75444450436
oct1550237747
9527251243
10228671463
11108096289
12646b9033
13384b5677
142252711d
151511e793
hexda13fe7

228671463 has 8 divisors (see below), whose sum is σ = 311986048. Its totient is φ = 148902264.

The previous prime is 228671459. The next prime is 228671477. The reversal of 228671463 is 364176822.

It is a happy number.

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

It is not a de Polignac number, because 228671463 - 22 = 228671459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228671483) 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, 886195 + ... + 886452.

It is an arithmetic number, because the mean of its divisors is an integer number (38998256).

Almost surely, 2228671463 is an apocalyptic number.

228671463 is a deficient number, since it is larger than the sum of its proper divisors (83314585).

228671463 is a wasteful number, since it uses less digits than its factorization.

228671463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772693.

The product of its digits is 96768, while the sum is 39.

The square root of 228671463 is about 15121.8868862322. The cubic root of 228671463 is about 611.5106007785.

The spelling of 228671463 in words is "two hundred twenty-eight million, six hundred seventy-one thousand, four hundred sixty-three".

Divisors: 1 3 43 129 1772647 5317941 76223821 228671463