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2043041240 = 235232220697
BaseRepresentation
bin111100111000110…
…0101010111011000
312021101100020201002
41321301211113120
513141004304430
6534421244132
7101425364312
oct17161452730
95241306632
102043041240
11959275139
12490263648
13267367256
141554a07b2
15be565845
hex79c655d8

2043041240 has 32 divisors (see below), whose sum is σ = 4796707680. Its totient is φ = 781684992.

The previous prime is 2043041239. The next prime is 2043041279. The reversal of 2043041240 is 421403402.

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

It is a congruent number.

It is an unprimeable number.

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, 1109429 + ... + 1111268.

It is an arithmetic number, because the mean of its divisors is an integer number (149897115).

Almost surely, 22043041240 is an apocalyptic number.

2043041240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043041240 is an abundant number, since it is smaller than the sum of its proper divisors (2753666440).

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

2043041240 is a wasteful number, since it uses less digits than its factorization.

2043041240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220731 (or 2220727 counting only the distinct ones).

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

The square root of 2043041240 is about 45200.0137168121. The cubic root of 2043041240 is about 1268.8950730276.

Adding to 2043041240 its reverse (421403402), we get a palindrome (2464444642).

The spelling of 2043041240 in words is "two billion, forty-three million, forty-one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 184 230 460 920 2220697 4441394 8882788 11103485 17765576 22206970 44413940 51076031 88827880 102152062 204304124 255380155 408608248 510760310 1021520620 2043041240