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228467250 = 233531117181
BaseRepresentation
bin11011001111000…
…10001000110010
3120220220100011000
431213202020302
5431441423000
634400502430
75442640164
oct1547421062
9526810130
10228467250
11107a66910
126461aa16
133844372b
14224b2934
15150ce000
hexd9e2232

228467250 has 256 divisors, whose sum is σ = 735920640. Its totient is φ = 51840000.

The previous prime is 228467243. The next prime is 228467273. The reversal of 228467250 is 52764822.

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 (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1262160 + ... + 1262340.

It is an arithmetic number, because the mean of its divisors is an integer number (2874690).

Almost surely, 2228467250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228467250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367960320).

228467250 is an abundant number, since it is smaller than the sum of its proper divisors (507453390).

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

228467250 is a wasteful number, since it uses less digits than its factorization.

228467250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 228467250 is about 15115.1331452951. The cubic root of 228467250 is about 611.3285118768.

The spelling of 228467250 in words is "two hundred twenty-eight million, four hundred sixty-seven thousand, two hundred fifty".