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2050772740 = 225597332371
BaseRepresentation
bin111101000111100…
…0100111100000100
312021220220001022221
41322033010330010
513144444211430
6535255102124
7101551165162
oct17217047404
95256801287
102050772740
11962675a05
12492971944
13268b433c3
14156514232
15c009157a
hex7a3c4f04

2050772740 has 48 divisors (see below), whose sum is σ = 4387440960. Its totient is φ = 804965760.

The previous prime is 2050772687. The next prime is 2050772741. The reversal of 2050772740 is 472770502.

It is a super-2 number, since 2×20507727402 = 8411337662254215200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2050772696 and 2050772705.

It is not an unprimeable number, because it can be changed into a prime (2050772741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863755 + ... + 866125.

It is an arithmetic number, because the mean of its divisors is an integer number (91405020).

Almost surely, 22050772740 is an apocalyptic number.

2050772740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2050772740 is an abundant number, since it is smaller than the sum of its proper divisors (2336668220).

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

2050772740 is a wasteful number, since it uses less digits than its factorization.

2050772740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172 (or 3170 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 34.

The square root of 2050772740 is about 45285.4583724180. The cubic root of 2050772740 is about 1270.4936886507.

The spelling of 2050772740 in words is "two billion, fifty million, seven hundred seventy-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 733 1180 1466 2371 2932 3665 4742 7330 9484 11855 14660 23710 43247 47420 86494 139889 172988 216235 279778 432470 559556 699445 864940 1398890 1737943 2797780 3475886 6951772 8689715 17379430 34758860 102538637 205077274 410154548 512693185 1025386370 2050772740