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226437128 = 2328304641
BaseRepresentation
bin11010111111100…
…10100000001000
3120210002012100022
431133302200020
5430431442003
634245200012
75416453361
oct1537624010
9523065308
10226437128
111068aa625
1263a00008
1337bb2688
1422104b68
1514d2c738
hexd7f2808

226437128 has 8 divisors (see below), whose sum is σ = 424569630. Its totient is φ = 113218560.

The previous prime is 226437121. The next prime is 226437131. The reversal of 226437128 is 821734622.

It can be written as a sum of positive squares in only one way, i.e., 130827844 + 95609284 = 11438^2 + 9778^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (226437121) by changing a digit.

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 as a sum of consecutive naturals, namely, 14152313 + ... + 14152328.

Almost surely, 2226437128 is an apocalyptic number.

It is an amenable number.

226437128 is a deficient number, since it is larger than the sum of its proper divisors (198132502).

226437128 is a wasteful number, since it uses less digits than its factorization.

226437128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28304647 (or 28304643 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 226437128 is about 15047.8280160294. The cubic root of 226437128 is about 609.5124008134.

The spelling of 226437128 in words is "two hundred twenty-six million, four hundred thirty-seven thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 28304641 56609282 113218564 226437128