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228715433 = 1719170439
BaseRepresentation
bin11011010000111…
…10101110101001
3120221100221120222
431220132232221
5432022343213
634410055425
75445022562
oct1550365651
9527327528
10228715433
11108116321
126471a575
13384cc69b
1422539169
151512c808
hexda1eba9

228715433 has 8 divisors (see below), whose sum is σ = 243440640. Its totient is φ = 214131520.

The previous prime is 228715429. The next prime is 228715441. The reversal of 228715433 is 334517822.

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 228715433 - 22 = 228715429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228715393 and 228715402.

It is not an unprimeable number, because it can be changed into a prime (228715453) 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, 31973 + ... + 38466.

It is an arithmetic number, because the mean of its divisors is an integer number (30430080).

Almost surely, 2228715433 is an apocalyptic number.

It is an amenable number.

228715433 is a deficient number, since it is larger than the sum of its proper divisors (14725207).

228715433 is a wasteful number, since it uses less digits than its factorization.

228715433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70647.

The product of its digits is 40320, while the sum is 35.

The square root of 228715433 is about 15123.3406693098. The cubic root of 228715433 is about 611.5497929563.

The spelling of 228715433 in words is "two hundred twenty-eight million, seven hundred fifteen thousand, four hundred thirty-three".

Divisors: 1 17 191 3247 70439 1197463 13453849 228715433