[go: up one dir, main page]

Search a number
-
+
52580087 = 721956477
BaseRepresentation
bin1100100010010…
…0111011110111
310122221100022122
43020210323313
5101430030322
65114550155
71205631500
oct310447367
9118840278
1052580087
112775321a
121573835b
13ab7c8a1
146da9ba7
154939442
hex3224ef7

52580087 has 12 divisors (see below), whose sum is σ = 64384920. Its totient is φ = 42695856.

The previous prime is 52580053. The next prime is 52580089. The reversal of 52580087 is 78008525.

It is not a de Polignac number, because 52580087 - 26 = 52580023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52580089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27308 + ... + 29169.

It is an arithmetic number, because the mean of its divisors is an integer number (5365410).

Almost surely, 252580087 is an apocalyptic number.

52580087 is a deficient number, since it is larger than the sum of its proper divisors (11804833).

52580087 is a wasteful number, since it uses less digits than its factorization.

52580087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56510 (or 56503 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The square root of 52580087 is about 7251.2127951123. The cubic root of 52580087 is about 374.6339230464.

The spelling of 52580087 in words is "fifty-two million, five hundred eighty thousand, eighty-seven".

Divisors: 1 7 19 49 133 931 56477 395339 1073063 2767373 7511441 52580087