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288761234 = 22395031201
BaseRepresentation
bin10001001101100…
…010010110010010
3202010100120221112
4101031202112102
51042410324414
644353053322
710104300326
oct2115422622
9663316845
10288761234
11138aa8653
1280857242
1347a94448
142a4c9986
151a53dd3e
hex11362592

288761234 has 16 divisors (see below), whose sum is σ = 436181760. Its totient is φ = 143371200.

The previous prime is 288761227. The next prime is 288761243. The reversal of 288761234 is 432167882.

288761234 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2887612343 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 288761191 and 288761200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239834 + ... + 241034.

It is an arithmetic number, because the mean of its divisors is an integer number (27261360).

Almost surely, 2288761234 is an apocalyptic number.

288761234 is a deficient number, since it is larger than the sum of its proper divisors (147420526).

288761234 is a wasteful number, since it uses less digits than its factorization.

288761234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its digits is 129024, while the sum is 41.

The square root of 288761234 is about 16992.9760195205. The cubic root of 288761234 is about 660.9667756956.

The spelling of 288761234 in words is "two hundred eighty-eight million, seven hundred sixty-one thousand, two hundred thirty-four".

Divisors: 1 2 239 478 503 1006 1201 2402 120217 240434 287039 574078 604103 1208206 144380617 288761234