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227056312 = 23729139813
BaseRepresentation
bin11011000100010…
…01101010111000
3120211020122201001
431202021222320
5431111300222
634310334344
75424642520
oct1542115270
9524218631
10227056312
1110719284a
126405a3b4
133806b462
1422226680
1514e00e27
hexd889ab8

227056312 has 32 divisors (see below), whose sum is σ = 503330400. Its totient is φ = 93953664.

The previous prime is 227056273. The next prime is 227056321. The reversal of 227056312 is 213650722.

227056312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 68283 + ... + 71530.

It is an arithmetic number, because the mean of its divisors is an integer number (15729075).

Almost surely, 2227056312 is an apocalyptic number.

It is an amenable number.

227056312 is an abundant number, since it is smaller than the sum of its proper divisors (276274088).

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

227056312 is a wasteful number, since it uses less digits than its factorization.

227056312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139855 (or 139851 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 227056312 is about 15068.3878367926. The cubic root of 227056312 is about 610.0674582747.

The spelling of 227056312 in words is "two hundred twenty-seven million, fifty-six thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 203 232 406 812 1624 139813 279626 559252 978691 1118504 1957382 3914764 4054577 7829528 8109154 16218308 28382039 32436616 56764078 113528156 227056312