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228081064 = 23231996229
BaseRepresentation
bin11011001100000…
…11110110101000
3120220011201101211
431212003312220
5431342043224
634344322504
75436441241
oct1546036650
9526151354
10228081064
11107822752
1264473434
1338339a13
1422411cc8
1515054894
hexd983da8

228081064 has 32 divisors (see below), whose sum is σ = 448560000. Its totient is φ = 108516672.

The previous prime is 228081059. The next prime is 228081067. The reversal of 228081064 is 460180822.

228081064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228081067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33502 + ... + 39730.

It is an arithmetic number, because the mean of its divisors is an integer number (14017500).

Almost surely, 2228081064 is an apocalyptic number.

It is an amenable number.

228081064 is a deficient number, since it is larger than the sum of its proper divisors (220478936).

228081064 is a wasteful number, since it uses less digits than its factorization.

228081064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6457 (or 6453 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 228081064 is about 15102.3529292624. The cubic root of 228081064 is about 610.9838677911.

The spelling of 228081064 in words is "two hundred twenty-eight million, eighty-one thousand, sixty-four".

Divisors: 1 2 4 8 23 46 92 184 199 398 796 1592 4577 6229 9154 12458 18308 24916 36616 49832 143267 286534 573068 1146136 1239571 2479142 4958284 9916568 28510133 57020266 114040532 228081064