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5231145252 = 223735971627
BaseRepresentation
bin1001101111100110…
…01111000100100100
3111111120022201020110
410313303033010210
541203133122002
62223025333020
7243430000224
oct46763170444
914446281213
105231145252
112244932943
12101ba97170
136549cc228
14378a70084
152093b3e6c
hex137ccf124

5231145252 has 24 divisors (see below), whose sum is σ = 12373213216. Its totient is φ = 1719828288.

The previous prime is 5231145239. The next prime is 5231145253. The reversal of 5231145252 is 2525411325.

It is not an unprimeable number, because it can be changed into a prime (5231145253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2984938 + ... + 2986689.

Almost surely, 25231145252 is an apocalyptic number.

It is an amenable number.

5231145252 is an abundant number, since it is smaller than the sum of its proper divisors (7142067964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5231145252 is a wasteful number, since it uses less digits than its factorization.

5231145252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971707 (or 5971705 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 5231145252 is about 72326.6565797148. The cubic root of 5231145252 is about 1735.9302042663.

Adding to 5231145252 its reverse (2525411325), we get a palindrome (7756556577).

The spelling of 5231145252 in words is "five billion, two hundred thirty-one million, one hundred forty-five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 73 146 219 292 438 876 5971627 11943254 17914881 23886508 35829762 71659524 435928771 871857542 1307786313 1743715084 2615572626 5231145252