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2420310423 = 31878742943
BaseRepresentation
bin1001000001000011…
…0000000110010111
320020200020111201210
42100100300012113
514424044413143
61040055352503
7113656204416
oct22020600627
96220214653
102420310423
111032225053
12576682733
132c757a45b
1418d62947d
15e2739033
hex90430197

2420310423 has 8 divisors (see below), whose sum is σ = 3227327488. Its totient is φ = 1613416824.

The previous prime is 2420310419. The next prime is 2420310433. The reversal of 2420310423 is 3240130242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2420310423 - 22 = 2420310419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2420310423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420310433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 34890 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (403415936).

Almost surely, 22420310423 is an apocalyptic number.

2420310423 is a deficient number, since it is larger than the sum of its proper divisors (807017065).

2420310423 is a wasteful number, since it uses less digits than its factorization.

2420310423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61733.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2420310423 is about 49196.6505262299. The cubic root of 2420310423 is about 1342.6320922567.

Adding to 2420310423 its reverse (3240130242), we get a palindrome (5660440665).

The spelling of 2420310423 in words is "two billion, four hundred twenty million, three hundred ten thousand, four hundred twenty-three".

Divisors: 1 3 18787 42943 56361 128829 806770141 2420310423