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2421728330 = 25782142139
BaseRepresentation
bin1001000001011000…
…1010010001001010
320020202220112201212
42100112022101022
514424430301310
61040150013122
7114004231310
oct22026122112
96222815655
102421728330
11103300337a
125770471a2
132c7955958
1418d8b80b0
15e2919205
hex9058a44a

2421728330 has 32 divisors (see below), whose sum is σ = 4988027520. Its totient is φ = 829275840.

The previous prime is 2421728321. The next prime is 2421728341. The reversal of 2421728330 is 338271242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36401 + ... + 78539.

It is an arithmetic number, because the mean of its divisors is an integer number (155875860).

Almost surely, 22421728330 is an apocalyptic number.

2421728330 is an abundant number, since it is smaller than the sum of its proper divisors (2566299190).

2421728330 is a wasteful number, since it uses less digits than its factorization.

2421728330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42974.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 2421728330 is about 49211.0590213216. The cubic root of 2421728330 is about 1342.8942288525.

Adding to 2421728330 its reverse (338271242), we get a palindrome (2759999572).

The spelling of 2421728330 in words is "two billion, four hundred twenty-one million, seven hundred twenty-eight thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 821 1642 4105 5747 8210 11494 28735 42139 57470 84278 210695 294973 421390 589946 1474865 2949730 34596119 69192238 172980595 242172833 345961190 484345666 1210864165 2421728330