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228295512 = 23325935347
BaseRepresentation
bin11011001101110…
…00001101011000
3120220120121120100
431212320031120
5431420424022
634353055400
75441323404
oct1546701530
9526517510
10228295512
11107959885
1264557560
13383b3503
142246a104
15150981ac
hexd9b8358

228295512 has 48 divisors (see below), whose sum is σ = 619458840. Its totient is φ = 75955968.

The previous prime is 228295477. The next prime is 228295531. The reversal of 228295512 is 215592822.

228295512 is a `hidden beast` number, since 22 + 82 + 9 + 551 + 2 = 666.

228295512 is digitally balanced in base 2 and base 3, because in such bases 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 (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40023 + ... + 45369.

Almost surely, 2228295512 is an apocalyptic number.

It is an amenable number.

228295512 is an abundant number, since it is smaller than the sum of its proper divisors (391163328).

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

228295512 is a wasteful number, since it uses less digits than its factorization.

228295512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5945 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 228295512 is about 15109.4510820215. The cubic root of 228295512 is about 611.1752956742.

The spelling of 228295512 in words is "two hundred twenty-eight million, two hundred ninety-five thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 593 1186 1779 2372 3558 4744 5337 5347 7116 10674 10694 14232 16041 21348 21388 32082 42696 42776 48123 64164 96246 128328 192492 384984 3170771 6341542 9512313 12683084 19024626 25366168 28536939 38049252 57073878 76098504 114147756 228295512