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2043241040 = 24525540513
BaseRepresentation
bin111100111001001…
…0110001001010000
312021101201101210002
41321302112021100
513141032203130
6534425425132
7101430155651
oct17162261120
95241641702
102043241040
119593a1265
1249033b1a8
13267407189
14155513528
15be5a4b45
hex79c96250

2043241040 has 20 divisors (see below), whose sum is σ = 4750535604. Its totient is φ = 817296384.

The previous prime is 2043241037. The next prime is 2043241043. The reversal of 2043241040 is 401423402.

It is an interprime number because it is at equal distance from previous prime (2043241037) and next prime (2043241043).

It can be written as a sum of positive squares in 2 ways, for example, as 1007173696 + 1036067344 = 31736^2 + 32188^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2043241043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12770177 + ... + 12770336.

Almost surely, 22043241040 is an apocalyptic number.

2043241040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043241040 is an abundant number, since it is smaller than the sum of its proper divisors (2707294564).

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

2043241040 is a wasteful number, since it uses less digits than its factorization.

2043241040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540526 (or 25540520 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2043241040 is about 45202.2238390989. The cubic root of 2043241040 is about 1268.9364357057.

Adding to 2043241040 its reverse (401423402), we get a palindrome (2444664442).

The spelling of 2043241040 in words is "two billion, forty-three million, two hundred forty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 25540513 51081026 102162052 127702565 204324104 255405130 408648208 510810260 1021620520 2043241040