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2072577980 = 225119420809
BaseRepresentation
bin111101110001001…
…0000011110111100
312100102220212111102
41323202100132330
513221034443410
6541354312232
7102234423254
oct17342203674
95312825442
102072577980
11973a09570
1249a128678
13270509405
1415938c964
15c1e4c2a5
hex7b8907bc

2072577980 has 24 divisors (see below), whose sum is σ = 4748088240. Its totient is φ = 753664640.

The previous prime is 2072577979. The next prime is 2072577989. The reversal of 2072577980 is 897752702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072577989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4710185 + ... + 4710624.

It is an arithmetic number, because the mean of its divisors is an integer number (197837010).

Almost surely, 22072577980 is an apocalyptic number.

2072577980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2072577980 is an abundant number, since it is smaller than the sum of its proper divisors (2675510260).

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

2072577980 is a wasteful number, since it uses less digits than its factorization.

2072577980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420829 (or 9420827 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 2072577980 is about 45525.5750100973. The cubic root of 2072577980 is about 1274.9807466015.

The spelling of 2072577980 in words is "two billion, seventy-two million, five hundred seventy-seven thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 9420809 18841618 37683236 47104045 94208090 103628899 188416180 207257798 414515596 518144495 1036288990 2072577980