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226251140 = 22511312557
BaseRepresentation
bin11010111110001…
…01000110000100
3120202201202012212
431133011012010
5430410014030
634241202552
75415050213
oct1537050604
9522652185
10226251140
11106792915
1263930458
1337b48b1b
142209707a
1514ce2595
hexd7c5184

226251140 has 12 divisors (see below), whose sum is σ = 475127436. Its totient is φ = 90500448.

The previous prime is 226251133. The next prime is 226251169. The reversal of 226251140 is 41152622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 94322944 + 131928196 = 9712^2 + 11486^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5656259 + ... + 5656298.

It is an arithmetic number, because the mean of its divisors is an integer number (39593953).

Almost surely, 2226251140 is an apocalyptic number.

226251140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226251140 is an abundant number, since it is smaller than the sum of its proper divisors (248876296).

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

226251140 is a wasteful number, since it uses less digits than its factorization.

226251140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312566 (or 11312564 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 226251140 is about 15041.6468513258. The cubic root of 226251140 is about 609.3454772986.

The spelling of 226251140 in words is "two hundred twenty-six million, two hundred fifty-one thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 11312557 22625114 45250228 56562785 113125570 226251140