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2420143030 = 2523311971723
BaseRepresentation
bin1001000001000000…
…0111001110110110
320020122221000010001
42100100013032312
514424024034110
61040052021514
7113654606404
oct22020071666
96218830101
102420143030
111032120308
1257660189a
132c751c1c6
1418d5c4474
15e270463a
hex904073b6

2420143030 has 64 divisors (see below), whose sum is σ = 4718850048. Its totient is φ = 891031680.

The previous prime is 2420143009. The next prime is 2420143049. The reversal of 2420143030 is 303410242.

It is a junction number, because it is equal to n+sod(n) for n = 2420142989 and 2420143007.

It is a congruent number.

It is an unprimeable number.

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, 1403749 + ... + 1405471.

It is an arithmetic number, because the mean of its divisors is an integer number (73732032).

Almost surely, 22420143030 is an apocalyptic number.

2420143030 is a deficient number, since it is larger than the sum of its proper divisors (2298707018).

2420143030 is a wasteful number, since it uses less digits than its factorization.

2420143030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2420143030 is about 49194.9492326194. The cubic root of 2420143030 is about 1342.6011385970.

Adding to 2420143030 its reverse (303410242), we get a palindrome (2723553272).

The spelling of 2420143030 in words is "two billion, four hundred twenty million, one hundred forty-three thousand, thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 197 230 310 394 713 985 1426 1723 1970 3446 3565 4531 6107 7130 8615 9062 12214 17230 22655 30535 39629 45310 53413 61070 79258 106826 140461 198145 267065 280922 339431 396290 534130 678862 702305 1228499 1404610 1697155 2456998 3394310 6142495 7806913 10522361 12284990 15613826 21044722 39034565 52611805 78069130 105223610 242014303 484028606 1210071515 2420143030