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2420707049 = 4733511453
BaseRepresentation
bin1001000001001001…
…0000111011101001
320020200222122210122
42100102100323221
514424200111144
61040112053025
7113662445645
oct22022207351
96220878718
102420707049
111032476042
12576834175
132c7688b47
1418d6cdc25
15e27b67ee
hex90490ee9

2420707049 has 4 divisors (see below), whose sum is σ = 2421223236. Its totient is φ = 2420190864.

The previous prime is 2420707007. The next prime is 2420707189. The reversal of 2420707049 is 9407070242.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 849139600 + 1571567449 = 29140^2 + 39643^2 .

It is a cyclic number.

It is not a de Polignac number, because 2420707049 - 220 = 2419658473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2420700049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 250994 + ... + 260459.

It is an arithmetic number, because the mean of its divisors is an integer number (605305809).

Almost surely, 22420707049 is an apocalyptic number.

It is an amenable number.

2420707049 is a deficient number, since it is larger than the sum of its proper divisors (516187).

2420707049 is an equidigital number, since it uses as much as digits as its factorization.

2420707049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516186.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 2420707049 is about 49200.6813875580. The cubic root of 2420707049 is about 1342.7054290905.

The spelling of 2420707049 in words is "two billion, four hundred twenty million, seven hundred seven thousand, forty-nine".

Divisors: 1 4733 511453 2420707049