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228367867 = 7132509537
BaseRepresentation
bin11011001110010…
…01110111111011
3120220201021211011
431213021313323
5431430232432
634354414351
75442044350
oct1547116773
9526637734
10228367867
111079a9182
12645913b7
133840a420
1422488627
15150ae847
hexd9c9dfb

228367867 has 8 divisors (see below), whose sum is σ = 281068256. Its totient is φ = 180686592.

The previous prime is 228367847. The next prime is 228367873. The reversal of 228367867 is 768763822.

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 228367867 - 219 = 227843579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228367867.

It is not an unprimeable number, because it can be changed into a prime (228367847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1254678 + ... + 1254859.

It is an arithmetic number, because the mean of its divisors is an integer number (35133532).

Almost surely, 2228367867 is an apocalyptic number.

228367867 is a deficient number, since it is larger than the sum of its proper divisors (52700389).

228367867 is a wasteful number, since it uses less digits than its factorization.

228367867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2509557.

The product of its digits is 1354752, while the sum is 49.

The square root of 228367867 is about 15111.8452546339. The cubic root of 228367867 is about 611.2398566127.

It can be divided in two parts, 22836 and 7867, that added together give a palindrome (30703).

The spelling of 228367867 in words is "two hundred twenty-eight million, three hundred sixty-seven thousand, eight hundred sixty-seven".

Divisors: 1 7 13 91 2509537 17566759 32623981 228367867