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2421450345 = 351915156267
BaseRepresentation
bin1001000001010100…
…0110011001101001
320020202101102102010
42100111012121221
514424342402340
61040140030133
7114001662666
oct22025063151
96222342363
102421450345
111032933536
12576b32349
132c7889272
1418d844a6d
15e28b1b80
hex90546669

2421450345 has 32 divisors (see below), whose sum is σ = 4105313280. Its totient is φ = 1215345600.

The previous prime is 2421450337. The next prime is 2421450347. The reversal of 2421450345 is 5430541242.

It is not a de Polignac number, because 2421450345 - 23 = 2421450337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2421450347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14902 + ... + 71168.

It is an arithmetic number, because the mean of its divisors is an integer number (128291040).

Almost surely, 22421450345 is an apocalyptic number.

It is an amenable number.

2421450345 is a deficient number, since it is larger than the sum of its proper divisors (1683862935).

2421450345 is a wasteful number, since it uses less digits than its factorization.

2421450345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56445.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2421450345 is about 49208.2345243151. The cubic root of 2421450345 is about 1342.8428442370.

Adding to 2421450345 its reverse (5430541242), we get a palindrome (7851991587).

The spelling of 2421450345 in words is "two billion, four hundred twenty-one million, four hundred fifty thousand, three hundred forty-five".

Divisors: 1 3 5 15 19 57 95 151 285 453 755 2265 2869 8607 14345 43035 56267 168801 281335 844005 1069073 3207219 5345365 8496317 16036095 25488951 42481585 127444755 161430023 484290069 807150115 2421450345