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228469374 = 232710611709
BaseRepresentation
bin11011001111000…
…10101001111110
3120220220110001200
431213202221332
5431442004444
634400520330
75442646320
oct1547425176
9526813050
10228469374
11107a68471
12646200a6
13384446a3
14224b3610
15150ce969
hexd9e2a7e

228469374 has 48 divisors (see below), whose sum is σ = 566598240. Its totient is φ = 65177280.

The previous prime is 228469333. The next prime is 228469393. The reversal of 228469374 is 473964822.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 132832 + ... + 134540.

It is an arithmetic number, because the mean of its divisors is an integer number (11804130).

Almost surely, 2228469374 is an apocalyptic number.

228469374 is an abundant number, since it is smaller than the sum of its proper divisors (338128866).

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

228469374 is a wasteful number, since it uses less digits than its factorization.

228469374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2782 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 228469374 is about 15115.2034058427. The cubic root of 228469374 is about 611.3304063245.

The spelling of 228469374 in words is "two hundred twenty-eight million, four hundred sixty-nine thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1061 1709 2122 3183 3418 5127 6366 7427 9549 10254 11963 14854 15381 19098 22281 23926 30762 35889 44562 66843 71778 107667 133686 215334 1813249 3626498 5439747 10879494 12692743 16319241 25385486 32638482 38078229 76156458 114234687 228469374