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228500672 = 2617210019
BaseRepresentation
bin11011001111010…
…10010011000000
3120220222000222212
431213222103000
5431444010142
634401321252
75443136501
oct1547522300
9526860885
10228500672
11107a89a34
1264636228
13384559ca
14224c0ba8
15150d8d82
hexd9ea4c0

228500672 has 28 divisors (see below), whose sum is σ = 480105720. Its totient is φ = 107529216.

The previous prime is 228500651. The next prime is 228500677. The reversal of 228500672 is 276005822.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (228500677) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 103922 + ... + 106097.

Almost surely, 2228500672 is an apocalyptic number.

It is an amenable number.

228500672 is an abundant number, since it is smaller than the sum of its proper divisors (251605048).

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

228500672 is a wasteful number, since it uses less digits than its factorization.

228500672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210048 (or 210038 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 228500672 is about 15116.2386855990. The cubic root of 228500672 is about 611.3583204165.

The spelling of 228500672 in words is "two hundred twenty-eight million, five hundred thousand, six hundred seventy-two".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 544 1088 210019 420038 840076 1680152 3360304 3570323 6720608 7140646 13441216 14281292 28562584 57125168 114250336 228500672