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228193323 = 376064441
BaseRepresentation
bin11011001100111…
…11010000101011
3120220101102101120
431212133100223
5431404141243
634350550323
75440416441
oct1546372053
9526342346
10228193323
1110789a026
12645083a3
1338378b47
1422440b91
1515077c83
hexd99f42b

228193323 has 4 divisors (see below), whose sum is σ = 304257768. Its totient is φ = 152128880.

The previous prime is 228193321. The next prime is 228193333. The reversal of 228193323 is 323391822.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228193323 - 21 = 228193321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (228193321) 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, 38032218 + ... + 38032223.

It is an arithmetic number, because the mean of its divisors is an integer number (76064442).

Almost surely, 2228193323 is an apocalyptic number.

228193323 is a deficient number, since it is larger than the sum of its proper divisors (76064445).

228193323 is an equidigital number, since it uses as much as digits as its factorization.

228193323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76064444.

The product of its digits is 15552, while the sum is 33.

The square root of 228193323 is about 15106.0690783539. The cubic root of 228193323 is about 611.0840912045.

The spelling of 228193323 in words is "two hundred twenty-eight million, one hundred ninety-three thousand, three hundred twenty-three".

Divisors: 1 3 76064441 228193323