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228929808 = 24315493079
BaseRepresentation
bin11011010010100…
…11000100010000
3120221202211122210
431221103010100
5432101223213
634414432120
75446604562
oct1551230420
9527684583
10228929808
11108252398
1264802640
1338576133
1422593332
15151710c3
hexda53110

228929808 has 40 divisors (see below), whose sum is σ = 591976000. Its totient is φ = 76235904.

The previous prime is 228929783. The next prime is 228929839. The reversal of 228929808 is 808929822.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72813 + ... + 75891.

It is an arithmetic number, because the mean of its divisors is an integer number (14799400).

Almost surely, 2228929808 is an apocalyptic number.

It is an amenable number.

228929808 is an abundant number, since it is smaller than the sum of its proper divisors (363046192).

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

228929808 is a wasteful number, since it uses less digits than its factorization.

228929808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4639 (or 4633 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 228929808 is about 15130.4265637159. The cubic root of 228929808 is about 611.7408018534.

The spelling of 228929808 in words is "two hundred twenty-eight million, nine hundred twenty-nine thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1549 3079 3098 4647 6158 6196 9237 9294 12316 12392 18474 18588 24632 24784 36948 37176 49264 73896 74352 147792 4769371 9538742 14308113 19077484 28616226 38154968 57232452 76309936 114464904 228929808