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228761514 = 23212708973
BaseRepresentation
bin11011010001010…
…01111110101010
3120221110021210200
431220221332222
5432030332024
634411053030
75445304122
oct1550517652
9527407720
10228761514
11108147a03
1264741176
1338517657
142254bc82
151513b2c9
hexda29faa

228761514 has 12 divisors (see below), whose sum is σ = 495649986. Its totient is φ = 76253832.

The previous prime is 228761513. The next prime is 228761521. The reversal of 228761514 is 415167822.

228761514 is a `hidden beast` number, since 2 + 2 + 87 + 61 + 514 = 666.

228761514 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 186732225 + 42029289 = 13665^2 + 6483^2 .

It is not an unprimeable number, because it can be changed into a prime (228761513) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6354469 + ... + 6354504.

Almost surely, 2228761514 is an apocalyptic number.

228761514 is an abundant number, since it is smaller than the sum of its proper divisors (266888472).

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

228761514 is a wasteful number, since it uses less digits than its factorization.

228761514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708981 (or 12708978 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 228761514 is about 15124.8640985630. The cubic root of 228761514 is about 611.5908613606.

The spelling of 228761514 in words is "two hundred twenty-eight million, seven hundred sixty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 9 18 12708973 25417946 38126919 76253838 114380757 228761514