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227828048 = 2472290597
BaseRepresentation
bin11011001010001…
…10000101010000
3120212200212022212
431211012011100
5431310444143
634335051252
75434335500
oct1545060520
9525625285
10227828048
1110766a648
1264370b28
133827b7c6
1422387a00
1515004918
hexd946150

227828048 has 30 divisors (see below), whose sum is σ = 513486666. Its totient is φ = 97640256.

The previous prime is 227828011. The next prime is 227828053. The reversal of 227828048 is 840828722.

It can be written as a sum of positive squares in only one way, i.e., 170250304 + 57577744 = 13048^2 + 7588^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 227827996 and 227828014.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 144515 + ... + 146082.

Almost surely, 2227828048 is an apocalyptic number.

227828048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

227828048 is an abundant number, since it is smaller than the sum of its proper divisors (285658618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227828048 is a wasteful number, since it uses less digits than its factorization.

227828048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290619 (or 290606 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 41.

The square root of 227828048 is about 15093.9738968901. The cubic root of 227828048 is about 610.7578576614.

The spelling of 227828048 in words is "two hundred twenty-seven million, eight hundred twenty-eight thousand, forty-eight".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 290597 581194 1162388 2034179 2324776 4068358 4649552 8136716 14239253 16273432 28478506 32546864 56957012 113914024 227828048