Search a number
-
+
2052203251 = 7243222651
BaseRepresentation
bin111101001010010…
…0010001011110011
312022000120201121211
41322110202023303
513200331001001
6535345500551
7101566303600
oct17224421363
95260521554
102052203251
1196346274a
12493341757
13269224567
141567a76a7
15c0275351
hex7a5222f3

2052203251 has 18 divisors (see below), whose sum is σ = 2444173452. Its totient is φ = 1718047800.

The previous prime is 2052203249. The next prime is 2052203269. The reversal of 2052203251 is 1523022502.

It is not a de Polignac number, because 2052203251 - 21 = 2052203249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2052203201) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 79276 + ... + 101926.

It is an arithmetic number, because the mean of its divisors is an integer number (135787414).

Almost surely, 22052203251 is an apocalyptic number.

2052203251 is the 22651-st decagonal number.

2052203251 is a deficient number, since it is larger than the sum of its proper divisors (391970201).

2052203251 is an equidigital number, since it uses as much as digits as its factorization.

2052203251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22751 (or 22701 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2052203251 is about 45301.2499937916. The cubic root of 2052203251 is about 1270.7890298065.

Adding to 2052203251 its reverse (1523022502), we get a palindrome (3575225753).

The spelling of 2052203251 in words is "two billion, fifty-two million, two hundred three thousand, two hundred fifty-one".

Divisors: 1 7 43 49 301 1849 2107 12943 22651 90601 158557 973993 1109899 6817951 41881699 47725657 293171893 2052203251