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8940724940 = 2257292202149
BaseRepresentation
bin10000101001110100…
…01010001011001100
3212002002112212220202
420110322022023030
5121302311144230
64035102433032
7434362623320
oct102472121314
925062485822
108940724940
113878895a84
121896292778
13ac63c82b4
1460b5c5980
15374dbda45
hex214e8a2cc

8940724940 has 48 divisors (see below), whose sum is σ = 22197672000. Its totient is φ = 2959686912.

The previous prime is 8940724937. The next prime is 8940724967. The reversal of 8940724940 is 494270498.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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, 1097015 + ... + 1105134.

It is an arithmetic number, because the mean of its divisors is an integer number (462451500).

Almost surely, 28940724940 is an apocalyptic number.

It is an amenable number.

8940724940 is an abundant number, since it is smaller than the sum of its proper divisors (13256947060).

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

8940724940 is a wasteful number, since it uses less digits than its factorization.

8940724940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202194 (or 2202192 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8940724940 is about 94555.4067200813. The cubic root of 8940724940 is about 2075.5072018940.

The spelling of 8940724940 in words is "eight billion, nine hundred forty million, seven hundred twenty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 116 140 145 203 290 406 580 812 1015 2030 4060 2202149 4404298 8808596 11010745 15415043 22021490 30830086 44042980 61660172 63862321 77075215 127724642 154150430 255449284 308300860 319311605 447036247 638623210 894072494 1277246420 1788144988 2235181235 4470362470 8940724940