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2750868420 = 2235179256133
BaseRepresentation
bin1010001111110110…
…1110101111000100
321002201020121001120
42203331232233010
521113210242140
61132544353540
7125111665356
oct24375565704
97081217046
102750868420
111191880183
126493158b0
1334abb71c1
141c14b50d6
151117821d0
hexa3f6ebc4

2750868420 has 48 divisors (see below), whose sum is σ = 7745492160. Its totient is φ = 729463936.

The previous prime is 2750868343. The next prime is 2750868427. The reversal of 2750868420 is 248680572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2750868427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117327 + ... + 138806.

It is an arithmetic number, because the mean of its divisors is an integer number (161364420).

Almost surely, 22750868420 is an apocalyptic number.

2750868420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750868420 is an abundant number, since it is smaller than the sum of its proper divisors (4994623740).

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

2750868420 is a wasteful number, since it uses less digits than its factorization.

2750868420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256324 (or 256322 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 2750868420 is about 52448.7218147402. The cubic root of 2750868420 is about 1401.1671253822.

The spelling of 2750868420 in words is "two billion, seven hundred fifty million, eight hundred sixty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 179 358 537 716 895 1074 1790 2148 2685 3580 5370 10740 256133 512266 768399 1024532 1280665 1536798 2561330 3073596 3841995 5122660 7683990 15367980 45847807 91695614 137543421 183391228 229239035 275086842 458478070 550173684 687717105 916956140 1375434210 2750868420