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228868066 = 2716347719
BaseRepresentation
bin11011010010000…
…11111111100010
3120221122200222001
431221003333202
5432042234231
634413234214
75446226560
oct1551037742
9527580861
10228868066
1110820aa69
126479296a
1338553cbb
1422578a30
151515cb61
hexda43fe2

228868066 has 8 divisors (see below), whose sum is σ = 392345280. Its totient is φ = 98086308.

The previous prime is 228868049. The next prime is 228868069. The reversal of 228868066 is 660868822.

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

It is not an unprimeable number, because it can be changed into a prime (228868069) 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, 8173846 + ... + 8173873.

It is an arithmetic number, because the mean of its divisors is an integer number (49043160).

Almost surely, 2228868066 is an apocalyptic number.

228868066 is a deficient number, since it is larger than the sum of its proper divisors (163477214).

228868066 is a wasteful number, since it uses less digits than its factorization.

228868066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16347728.

The product of its (nonzero) digits is 442368, while the sum is 46.

The square root of 228868066 is about 15128.3861003083. The cubic root of 228868066 is about 611.6858017394.

The spelling of 228868066 in words is "two hundred twenty-eight million, eight hundred sixty-eight thousand, sixty-six".

Divisors: 1 2 7 14 16347719 32695438 114434033 228868066