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227872 = 257121
BaseRepresentation
bin110111101000100000
3102120120201
4313220200
524242442
64514544
71636231
oct675040
9376521
10227872
11146227
12aba54
137c948
145d088
15477b7
hex37a20

227872 has 12 divisors (see below), whose sum is σ = 448686. Its totient is φ = 113920.

The previous prime is 227869. The next prime is 227873. The reversal of 227872 is 278722.

227872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 226576 + 1296 = 476^2 + 36^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 227872.

It is not an unprimeable number, because it can be changed into a prime (227873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3529 + ... + 3592.

2227872 is an apocalyptic number.

It is an amenable number.

227872 is a deficient number, since it is larger than the sum of its proper divisors (220814).

227872 is an equidigital number, since it uses as much as digits as its factorization.

227872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7131 (or 7123 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 227872 is about 477.3594033849. The cubic root of 227872 is about 61.0797130413.

The spelling of 227872 in words is "two hundred twenty-seven thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 32 7121 14242 28484 56968 113936 227872