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226881745 = 5178332159
BaseRepresentation
bin11011000010111…
…11000011010001
3120210220210020121
431201133003101
5431040203440
634302510241
75423314546
oct1541370321
9523823217
10226881745
11107083682
1263b95381
1338009b6c
14221bcbcd
1514db934a
hexd85f0d1

226881745 has 16 divisors (see below), whose sum is σ = 291755520. Its totient is φ = 168765184.

The previous prime is 226881731. The next prime is 226881749. The reversal of 226881745 is 547188622.

It is a happy number.

226881745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 226881745 - 27 = 226881617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (226881749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9025 + ... + 23134.

It is an arithmetic number, because the mean of its divisors is an integer number (18234720).

Almost surely, 2226881745 is an apocalyptic number.

It is an amenable number.

226881745 is a deficient number, since it is larger than the sum of its proper divisors (64873775).

226881745 is a wasteful number, since it uses less digits than its factorization.

226881745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32264.

The product of its digits is 215040, while the sum is 43.

The square root of 226881745 is about 15062.5942320704. The cubic root of 226881745 is about 609.9110727663.

The spelling of 226881745 in words is "two hundred twenty-six million, eight hundred eighty-one thousand, seven hundred forty-five".

Divisors: 1 5 17 83 85 415 1411 7055 32159 160795 546703 2669197 2733515 13345985 45376349 226881745