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2520487037 = 23201108637
BaseRepresentation
bin1001011000111011…
…1001010001111101
320111122202000012202
42112032321101331
520130221041122
61054034441245
7116313533465
oct22616712175
96448660182
102520487037
111083827242
125a4133225
13312253463
1419ca64ba5
15eb425e92
hex963b947d

2520487037 has 4 divisors (see below), whose sum is σ = 2520618876. Its totient is φ = 2520355200.

The previous prime is 2520486977. The next prime is 2520487051. The reversal of 2520487037 is 7307840252.

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 1715119396 + 805367641 = 41414^2 + 28379^2 .

It is a cyclic number.

It is not a de Polignac number, because 2520487037 - 26 = 2520486973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520480037) 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, 31118 + ... + 77519.

It is an arithmetic number, because the mean of its divisors is an integer number (630154719).

Almost surely, 22520487037 is an apocalyptic number.

It is an amenable number.

2520487037 is a deficient number, since it is larger than the sum of its proper divisors (131839).

2520487037 is a wasteful number, since it uses less digits than its factorization.

2520487037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131838.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2520487037 is about 50204.4523623154. The cubic root of 2520487037 is about 1360.9060853903.

The spelling of 2520487037 in words is "two billion, five hundred twenty million, four hundred eighty-seven thousand, thirty-seven".

Divisors: 1 23201 108637 2520487037