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249344228 = 2278905151
BaseRepresentation
bin11101101110010…
…11000011100100
3122101011222222102
432313023003210
51002313003403
640424151232
76115251050
oct1667130344
9571158872
10249344228
11118826011
126b608518
133c873083
1425188c60
1516d54b88
hexedcb0e4

249344228 has 12 divisors (see below), whose sum is σ = 498688512. Its totient is φ = 106861800.

The previous prime is 249344213. The next prime is 249344231. The reversal of 249344228 is 822443942.

249344228 is an admirable number.

It is a hoax number, since the sum of its digits (38) 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 = 249344191 and 249344200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4452548 + ... + 4452603.

It is an arithmetic number, because the mean of its divisors is an integer number (41557376).

Almost surely, 2249344228 is an apocalyptic number.

249344228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

249344228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

249344228 is a wasteful number, since it uses less digits than its factorization.

249344228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905162 (or 8905160 counting only the distinct ones).

The product of its digits is 110592, while the sum is 38.

The square root of 249344228 is about 15790.6373525580. The cubic root of 249344228 is about 629.4092286687.

The spelling of 249344228 in words is "two hundred forty-nine million, three hundred forty-four thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 8905151 17810302 35620604 62336057 124672114 249344228