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228667682 = 2731566217
BaseRepresentation
bin11011010000100…
…11000100100010
3120221021112002102
431220103010202
5432014331212
634405050402
75444433425
oct1550230442
9527245072
10228667682
11108093461
12646b6a02
13384b3a29
14225259bc
151511d5c2
hexda13122

228667682 has 8 divisors (see below), whose sum is σ = 347700396. Its totient is φ = 112767552.

The previous prime is 228667669. The next prime is 228667729. The reversal of 228667682 is 286766822.

It can be written as a sum of positive squares in 2 ways, for example, as 228584161 + 83521 = 15119^2 + 289^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 782963 + ... + 783254.

Almost surely, 2228667682 is an apocalyptic number.

228667682 is a deficient number, since it is larger than the sum of its proper divisors (119032714).

228667682 is a wasteful number, since it uses less digits than its factorization.

228667682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566292.

The product of its digits is 774144, while the sum is 47.

The square root of 228667682 is about 15121.7618682480. The cubic root of 228667682 is about 611.5072303910.

The spelling of 228667682 in words is "two hundred twenty-eight million, six hundred sixty-seven thousand, six hundred eighty-two".

Divisors: 1 2 73 146 1566217 3132434 114333841 228667682