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228023713 = 673403339
BaseRepresentation
bin11011001011101…
…01110110100001
3120220001210201201
431211311312201
5431333224323
634343201201
75436112111
oct1545656641
9526053651
10228023713
11107793655
1264446201
1338319898
14223d9041
15150428ad
hexd975da1

228023713 has 4 divisors (see below), whose sum is σ = 231427120. Its totient is φ = 224620308.

The previous prime is 228023707. The next prime is 228023729. The reversal of 228023713 is 317320822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228023713 - 213 = 228015521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228023753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701603 + ... + 1701736.

It is an arithmetic number, because the mean of its divisors is an integer number (57856780).

Almost surely, 2228023713 is an apocalyptic number.

It is an amenable number.

228023713 is a deficient number, since it is larger than the sum of its proper divisors (3403407).

228023713 is an equidigital number, since it uses as much as digits as its factorization.

228023713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3403406.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 228023713 is about 15100.4540660207. The cubic root of 228023713 is about 610.9326528524.

The spelling of 228023713 in words is "two hundred twenty-eight million, twenty-three thousand, seven hundred thirteen".

Divisors: 1 67 3403339 228023713