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228584652 = 223171120513
BaseRepresentation
bin11011001111111…
…10110011001100
3120221010022012020
431213332303030
5432004202102
634403210140
75443636362
oct1547766314
9527108166
10228584652
1110803703a
1264676950
1338484cba
1422503632
1515103bbc
hexd9feccc

228584652 has 24 divisors (see below), whose sum is σ = 564739056. Its totient is φ = 71712768.

The previous prime is 228584639. The next prime is 228584659. The reversal of 228584652 is 256485822.

It is a super-2 number, since 2×2285846522 = 104501886259922208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228584659) 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, 560053 + ... + 560460.

It is an arithmetic number, because the mean of its divisors is an integer number (23530794).

Almost surely, 2228584652 is an apocalyptic number.

It is an amenable number.

228584652 is an abundant number, since it is smaller than the sum of its proper divisors (336154404).

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

228584652 is a wasteful number, since it uses less digits than its factorization.

228584652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120537 (or 1120535 counting only the distinct ones).

The product of its digits is 307200, while the sum is 42.

The square root of 228584652 is about 15119.0162378377. The cubic root of 228584652 is about 611.4332079909.

The spelling of 228584652 in words is "two hundred twenty-eight million, five hundred eighty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 1120513 2241026 3361539 4482052 6723078 13446156 19048721 38097442 57146163 76194884 114292326 228584652