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2231251252 = 222343564017
BaseRepresentation
bin1000010011111110…
…0011000100110100
312202111111022022021
42010333203010310
514032200020002
61005223242524
7106202215456
oct20477430464
95674438267
102231251252
11a455350aa
125232a9444
13297354019
141724942d6
15d0d41737
hex84fe3134

2231251252 has 24 divisors (see below), whose sum is σ = 4169221056. Its totient is φ = 1042301568.

The previous prime is 2231251177. The next prime is 2231251259. The reversal of 2231251252 is 2521521322.

It is a super-3 number, since 3×22312512523 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231251259) 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, 278053 + ... + 285964.

It is an arithmetic number, because the mean of its divisors is an integer number (173717544).

Almost surely, 22231251252 is an apocalyptic number.

It is an amenable number.

2231251252 is a deficient number, since it is larger than the sum of its proper divisors (1937969804).

2231251252 is a wasteful number, since it uses less digits than its factorization.

2231251252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564087 (or 564085 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 2231251252 is about 47236.1223217994. The cubic root of 2231251252 is about 1306.7208649542.

Adding to 2231251252 its reverse (2521521322), we get a palindrome (4752772574).

The spelling of 2231251252 in words is "two billion, two hundred thirty-one million, two hundred fifty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 23 43 46 86 92 172 989 1978 3956 564017 1128034 2256068 12972391 24252731 25944782 48505462 51889564 97010924 557812813 1115625626 2231251252