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2420143345 = 54391102571
BaseRepresentation
bin1001000001000000…
…0111010011110001
320020122221000112201
42100100013103301
514424024041340
61040052023201
7113654610334
oct22020072361
96218830481
102420143345
111032120574
12576601b01
132c751c3a9
1418d5c461b
15e270479a
hex904074f1

2420143345 has 8 divisors (see below), whose sum is σ = 2910790080. Its totient is φ = 1931702640.

The previous prime is 2420143343. The next prime is 2420143357. The reversal of 2420143345 is 5433410242.

It is a happy number.

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

It is not a de Polignac number, because 2420143345 - 21 = 2420143343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2420143343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549091 + ... + 553480.

It is an arithmetic number, because the mean of its divisors is an integer number (363848760).

Almost surely, 22420143345 is an apocalyptic number.

It is an amenable number.

2420143345 is a deficient number, since it is larger than the sum of its proper divisors (490646735).

2420143345 is a wasteful number, since it uses less digits than its factorization.

2420143345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103015.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2420143345 is about 49194.9524341675. The cubic root of 2420143345 is about 1342.6011968469.

Adding to 2420143345 its reverse (5433410242), we get a palindrome (7853553587).

The spelling of 2420143345 in words is "two billion, four hundred twenty million, one hundred forty-three thousand, three hundred forty-five".

Divisors: 1 5 439 2195 1102571 5512855 484028669 2420143345