[go: up one dir, main page]

Search a number
-
+
2552012217 = 3394518971
BaseRepresentation
bin1001100000011100…
…1001110110111001
320120212001122122000
42120013021312321
520211303342332
61101122251213
7120145513566
oct23007116671
96525048560
102552012217
11109a5a9607
125b27b6b09
13318940701
141a2d0d86d
15ee0a1b7c
hex981c9db9

2552012217 has 8 divisors (see below), whose sum is σ = 3780758880. Its totient is φ = 1701341460.

The previous prime is 2552012207. The next prime is 2552012257. The reversal of 2552012217 is 7122102552.

2552012217 is a `hidden beast` number, since 2 + 5 + 520 + 122 + 17 = 666.

2552012217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2552012217 - 24 = 2552012201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 94518971 = 2552012217 / (2 + 5 + 5 + 2 + 0 + 1 + 2 + 2 + 1 + 7).

It is not an unprimeable number, because it can be changed into a prime (2552012207) 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, 47259459 + ... + 47259512.

It is an arithmetic number, because the mean of its divisors is an integer number (472594860).

Almost surely, 22552012217 is an apocalyptic number.

2552012217 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2552012217 is a deficient number, since it is larger than the sum of its proper divisors (1228746663).

2552012217 is an equidigital number, since it uses as much as digits as its factorization.

2552012217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94518980 (or 94518974 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 2552012217 is about 50517.4446800311. Note that the first 3 decimals coincide. The cubic root of 2552012217 is about 1366.5564711138.

Adding to 2552012217 its reverse (7122102552), we get a palindrome (9674114769).

The spelling of 2552012217 in words is "two billion, five hundred fifty-two million, twelve thousand, two hundred seventeen".

Divisors: 1 3 9 27 94518971 283556913 850670739 2552012217