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8728275684 = 2235983148531
BaseRepresentation
bin10000010000011111…
…01110101011100100
3211112021210100022210
420020033232223210
5120333414310214
64002033123420
7426203055612
oct101017565344
924467710283
108728275684
11377997a787
1218370b9570
13a913a268b
145cb2c26b2
15361405b59
hex2083eeae4

8728275684 has 48 divisors (see below), whose sum is σ = 20960835840. Its totient is φ = 2825634720.

The previous prime is 8728275659. The next prime is 8728275697. The reversal of 8728275684 is 4865728278.

It is a super-3 number, since 3×87282756843 (a number of 31 digits) contains 333 as substring.

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, 15502 + ... + 133029.

It is an arithmetic number, because the mean of its divisors is an integer number (436684080).

Almost surely, 28728275684 is an apocalyptic number.

It is an amenable number.

8728275684 is an abundant number, since it is smaller than the sum of its proper divisors (12232560156).

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

8728275684 is a wasteful number, since it uses less digits than its factorization.

8728275684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148680 (or 148678 counting only the distinct ones).

The product of its digits is 12042240, while the sum is 57.

The square root of 8728275684 is about 93425.2411503444. The cubic root of 8728275684 is about 2058.9358631863.

The spelling of 8728275684 in words is "eight billion, seven hundred twenty-eight million, two hundred seventy-five thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 12 59 83 118 166 177 236 249 332 354 498 708 996 4897 9794 14691 19588 29382 58764 148531 297062 445593 594124 891186 1782372 8763329 12328073 17526658 24656146 26289987 35053316 36984219 49312292 52579974 73968438 105159948 147936876 727356307 1454712614 2182068921 2909425228 4364137842 8728275684