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1868236652 = 224347593917
BaseRepresentation
bin110111101011011…
…0000011101101100
311211012102020220002
41233112300131230
512311232033102
6505214443432
764203515042
oct15726603554
94735366802
101868236652
11879630937
12441803578
1323a092099
1413a19a392
15ae036902
hex6f5b076c

1868236652 has 48 divisors (see below), whose sum is σ = 3475422720. Its totient is φ = 877622592.

The previous prime is 1868236633. The next prime is 1868236679. The reversal of 1868236652 is 2566328681.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 1868236597 and 1868236606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 474998 + ... + 478914.

It is an arithmetic number, because the mean of its divisors is an integer number (72404640).

Almost surely, 21868236652 is an apocalyptic number.

It is an amenable number.

1868236652 is a deficient number, since it is larger than the sum of its proper divisors (1607186068).

1868236652 is a wasteful number, since it uses less digits than its factorization.

1868236652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070 (or 4068 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 1868236652 is about 43223.1032203844. The cubic root of 1868236652 is about 1231.6215975040.

The spelling of 1868236652 in words is "one billion, eight hundred sixty-eight million, two hundred thirty-six thousand, six hundred fifty-two".

Divisors: 1 2 4 43 47 59 86 94 118 172 188 236 2021 2537 2773 3917 4042 5074 5546 7834 8084 10148 11092 15668 119239 168431 184099 231103 238478 336862 368198 462206 476956 673724 736396 924412 7916257 9937429 10861841 15832514 19874858 21723682 31665028 39749716 43447364 467059163 934118326 1868236652