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2043351240 = 233572432561
BaseRepresentation
bin111100111001011…
…0001000011001000
312021101220222221120
41321302301003020
513141044214430
6534432035240
7101431125150
oct17162610310
95241828846
102043351240
11959467037
12490392b20
13267445398
14155541760
15be5c7610
hex79cb10c8

2043351240 has 64 divisors (see below), whose sum is σ = 7005778560. Its totient is φ = 467051520.

The previous prime is 2043351229. The next prime is 2043351313. The reversal of 2043351240 is 421533402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2043351240.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1215441 + ... + 1217120.

It is an arithmetic number, because the mean of its divisors is an integer number (109465290).

Almost surely, 22043351240 is an apocalyptic number.

2043351240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043351240 is an abundant number, since it is smaller than the sum of its proper divisors (4962427320).

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

2043351240 is a wasteful number, since it uses less digits than its factorization.

2043351240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432582 (or 2432578 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2043351240 is about 45203.4427892390. The cubic root of 2043351240 is about 1268.9592482012.

Adding to 2043351240 its reverse (421533402), we get a palindrome (2464884642).

The spelling of 2043351240 in words is "two billion, forty-three million, three hundred fifty-one thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 2432561 4865122 7297683 9730244 12162805 14595366 17027927 19460488 24325610 29190732 34055854 36488415 48651220 51083781 58381464 68111708 72976830 85139635 97302440 102167562 136223416 145953660 170279270 204335124 255418905 291907320 340558540 408670248 510837810 681117080 1021675620 2043351240