Search a number
-
+
228761502 = 2347978363
BaseRepresentation
bin11011010001010…
…01111110011110
3120221110021210020
431220221332132
5432030332002
634411053010
75445304104
oct1550517636
9527407706
10228761502
111081479a2
1264741166
1338517648
142254bc74
151513b2bc
hexda29f9e

228761502 has 32 divisors (see below), whose sum is σ = 472131072. Its totient is φ = 73853184.

The previous prime is 228761453. The next prime is 228761513. The reversal of 228761502 is 205167822.

228761502 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23173 + ... + 31535.

It is an arithmetic number, because the mean of its divisors is an integer number (14754096).

Almost surely, 2228761502 is an apocalyptic number.

228761502 is an abundant number, since it is smaller than the sum of its proper divisors (243369570).

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

228761502 is a wasteful number, since it uses less digits than its factorization.

228761502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 228761502 is about 15124.8637018652. The cubic root of 228761502 is about 611.5908506666.

The spelling of 228761502 in words is "two hundred twenty-eight million, seven hundred sixty-one thousand, five hundred two".

Divisors: 1 2 3 6 47 94 97 141 194 282 291 582 4559 8363 9118 13677 16726 25089 27354 50178 393061 786122 811211 1179183 1622422 2358366 2433633 4867266 38126917 76253834 114380751 228761502