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2763980 = 2251131223
BaseRepresentation
bin1010100010110011001100
312012102110122
422202303030
51201421410
6135124112
732331152
oct12426314
95172418
102763980
11161868a
12b13638
1375a0bb
1451d3d2
15398e55
hex2a2ccc

2763980 has 24 divisors (see below), whose sum is σ = 5860512. Its totient is φ = 1094912.

The previous prime is 2763977. The next prime is 2763989. The reversal of 2763980 is 893672.

It is a self number, because there is not a number n which added to its sum of digits gives 2763980.

It is not an unprimeable number, because it can be changed into a prime (2763989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 2871.

It is an arithmetic number, because the mean of its divisors is an integer number (244188).

22763980 is an apocalyptic number.

2763980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2763980 is an abundant number, since it is smaller than the sum of its proper divisors (3096532).

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

2763980 is a wasteful number, since it uses less digits than its factorization.

2763980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2763980 is about 1662.5221803032. The cubic root of 2763980 is about 140.3389745151.

The spelling of 2763980 in words is "two million, seven hundred sixty-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 113 226 452 565 1130 1223 2260 2446 4892 6115 12230 24460 138199 276398 552796 690995 1381990 2763980