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2420770047 = 3806923349
BaseRepresentation
bin1001000001001010…
…0000010011111111
320020201002212012220
42100102200103333
514424204120142
61040113300423
7113663130423
oct22022402377
96221085186
102420770047
111032509403
12576864713
132c76ab717
1418d708b83
15e27ca2ec
hex904a04ff

2420770047 has 4 divisors (see below), whose sum is σ = 3227693400. Its totient is φ = 1613846696.

The previous prime is 2420770039. The next prime is 2420770057. The reversal of 2420770047 is 7400770242.

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

It is a cyclic number.

It is not a de Polignac number, because 2420770047 - 23 = 2420770039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2420770057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403461672 + ... + 403461677.

It is an arithmetic number, because the mean of its divisors is an integer number (806923350).

Almost surely, 22420770047 is an apocalyptic number.

2420770047 is a deficient number, since it is larger than the sum of its proper divisors (806923353).

2420770047 is an equidigital number, since it uses as much as digits as its factorization.

2420770047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806923352.

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 2420770047 is about 49201.3215981034. The cubic root of 2420770047 is about 1342.7170767925.

The spelling of 2420770047 in words is "two billion, four hundred twenty million, seven hundred seventy thousand, forty-seven".

Divisors: 1 3 806923349 2420770047