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228115875 = 3531373641
BaseRepresentation
bin11011001100011…
…00010110100011
3120220020111011010
431212030112203
5431344202000
634345152003
75436644601
oct1546142643
9526214133
10228115875
11107846919
126448b603
133834c810
1422420871
151505ed50
hexd98c5a3

228115875 has 64 divisors (see below), whose sum is σ = 415029888. Its totient is φ = 110592000.

The previous prime is 228115847. The next prime is 228115883. The reversal of 228115875 is 578511822.

228115875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 228115875 - 27 = 228115747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 355555 + ... + 356195.

It is an arithmetic number, because the mean of its divisors is an integer number (6484842).

Almost surely, 2228115875 is an apocalyptic number.

228115875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228115875 is a deficient number, since it is larger than the sum of its proper divisors (186914013).

228115875 is a wasteful number, since it uses less digits than its factorization.

228115875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745 (or 735 counting only the distinct ones).

The product of its digits is 44800, while the sum is 39.

The square root of 228115875 is about 15103.5053878231. The cubic root of 228115875 is about 611.0149501281.

The spelling of 228115875 in words is "two hundred twenty-eight million, one hundred fifteen thousand, eight hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 73 75 125 195 219 325 365 375 641 949 975 1095 1625 1825 1923 2847 3205 4745 4875 5475 8333 9125 9615 14235 16025 23725 24999 27375 41665 46793 48075 71175 80125 118625 124995 140379 208325 233965 240375 355875 608309 624975 701895 1041625 1169825 1824927 3041545 3124875 3509475 5849125 9124635 15207725 17547375 45623175 76038625 228115875