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222428050 = 25213342197
BaseRepresentation
bin11010100000111…
…11101110010010
3120111112111220221
431100133232102
5423420144200
634023223254
75340415165
oct1520375622
9514474827
10222428050
11104611539
12625a7b2a
133710a940
142177dadc
15147d991a
hexd41fb92

222428050 has 24 divisors (see below), whose sum is σ = 445541796. Its totient is φ = 82127040.

The previous prime is 222428047. The next prime is 222428077. The reversal of 222428050 is 50824222.

It can be written as a sum of positive squares in 6 ways, for example, as 28912129 + 193515921 = 5377^2 + 13911^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 170449 + ... + 171748.

Almost surely, 2222428050 is an apocalyptic number.

222428050 is an abundant number, since it is smaller than the sum of its proper divisors (223113746).

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

222428050 is a wasteful number, since it uses less digits than its factorization.

222428050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342222 (or 342217 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 222428050 is about 14914.0219256913. The cubic root of 222428050 is about 605.8938135170.

The spelling of 222428050 in words is "two hundred twenty-two million, four hundred twenty-eight thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 342197 684394 1710985 3421970 4448561 8554925 8897122 17109850 22242805 44485610 111214025 222428050