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2420330353 = 7249394497
BaseRepresentation
bin1001000001000011…
…0100111101110001
320020200021112001221
42100100310331301
514424101032403
61040100025041
7113656316500
oct22020647561
96220245057
102420330353
111032239021
12576692181
132c758654c
1418d632837
15e273edbd
hex90434f71

2420330353 has 6 divisors (see below), whose sum is σ = 2815486386. Its totient is φ = 2074568832.

The previous prime is 2420330317. The next prime is 2420330357. The reversal of 2420330353 is 3530330242.

It can be written as a sum of positive squares in only one way, i.e., 1437319744 + 983010609 = 37912^2 + 31353^2 .

It is not a de Polignac number, because 2420330353 - 29 = 2420329841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2420330357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24697200 + ... + 24697297.

It is an arithmetic number, because the mean of its divisors is an integer number (469247731).

Almost surely, 22420330353 is an apocalyptic number.

It is an amenable number.

2420330353 is a deficient number, since it is larger than the sum of its proper divisors (395156033).

2420330353 is an equidigital number, since it uses as much as digits as its factorization.

2420330353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49394511 (or 49394504 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 25.

The square root of 2420330353 is about 49196.8530802530. The cubic root of 2420330353 is about 1342.6357775394.

Adding to 2420330353 its reverse (3530330242), we get a palindrome (5950660595).

The spelling of 2420330353 in words is "two billion, four hundred twenty million, three hundred thirty thousand, three hundred fifty-three".

Divisors: 1 7 49 49394497 345761479 2420330353