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228865126 = 27313491511
BaseRepresentation
bin11011010010000…
…11010001100110
3120221122112221011
431221003101212
5432042141001
634413212434
75446215160
oct1551032146
9527575834
10228865126
11108208836
126479111a
1338552869
1422577930
151515bd51
hexda43466

228865126 has 32 divisors (see below), whose sum is σ = 406425600. Its totient is φ = 94586400.

The previous prime is 228865121. The next prime is 228865139. The reversal of 228865126 is 621568822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228865121) 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 in 15 ways as a sum of consecutive naturals, for example, 150711 + ... + 152221.

It is an arithmetic number, because the mean of its divisors is an integer number (12700800).

Almost surely, 2228865126 is an apocalyptic number.

228865126 is a deficient number, since it is larger than the sum of its proper divisors (177560474).

228865126 is a wasteful number, since it uses less digits than its factorization.

228865126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1900.

The product of its digits is 92160, while the sum is 40.

The square root of 228865126 is about 15128.2889316671. The cubic root of 228865126 is about 611.6831825245.

The spelling of 228865126 in words is "two hundred twenty-eight million, eight hundred sixty-five thousand, one hundred twenty-six".

Divisors: 1 2 7 14 31 62 217 349 434 698 1511 2443 3022 4886 10577 10819 21154 21638 46841 75733 93682 151466 327887 527339 655774 1054678 3691373 7382746 16347509 32695018 114432563 228865126