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2382740 = 2251091093
BaseRepresentation
bin1001000101101110010100
311111001111122
421011232110
51102221430
6123023112
726152523
oct11055624
94431448
102382740
111388208
1296aa98
13655709
144604ba
15320ee5
hex245b94

2382740 has 24 divisors (see below), whose sum is σ = 5054280. Its totient is φ = 943488.

The previous prime is 2382739. The next prime is 2382749. The reversal of 2382740 is 472832.

It can be written as a sum of positive squares in 4 ways, for example, as 1119364 + 1263376 = 1058^2 + 1124^2 .

It is a d-powerful number, because it can be written as 217 + 3 + 85 + 221 + 76 + 46 + 0 .

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2382749) 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, 1634 + ... + 2726.

It is an arithmetic number, because the mean of its divisors is an integer number (210595).

22382740 is an apocalyptic number.

2382740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2382740 is an abundant number, since it is smaller than the sum of its proper divisors (2671540).

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

2382740 is a wasteful number, since it uses less digits than its factorization.

2382740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1209 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2382740 is about 1543.6126457114. The cubic root of 2382740 is about 133.5648616161.

The spelling of 2382740 in words is "two million, three hundred eighty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 109 218 436 545 1090 1093 2180 2186 4372 5465 10930 21860 119137 238274 476548 595685 1191370 2382740