Search a number
-
+
45132425 = 5213138869
BaseRepresentation
bin1010110000101…
…0101010001001
310010220222001022
42230022222021
543023214200
64251202225
71055422262
oct254125211
9103828038
1045132425
1123526728
1213146375
1394729a0
145dcb969
153e67885
hex2b0aa89

45132425 has 12 divisors (see below), whose sum is σ = 60269580. Its totient is φ = 33328320.

The previous prime is 45132421. The next prime is 45132443. The reversal of 45132425 is 52423154.

45132425 = 13052 + 13062 + ... + 13302.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 19811401 + 25321024 = 4451^2 + 5032^2 .

It is not a de Polignac number, because 45132425 - 22 = 45132421 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45132394 and 45132403.

It is not an unprimeable number, because it can be changed into a prime (45132421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69110 + ... + 69759.

It is an arithmetic number, because the mean of its divisors is an integer number (5022465).

Almost surely, 245132425 is an apocalyptic number.

It is an amenable number.

45132425 is a deficient number, since it is larger than the sum of its proper divisors (15137155).

45132425 is a wasteful number, since it uses less digits than its factorization.

45132425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138892 (or 138887 counting only the distinct ones).

The product of its digits is 4800, while the sum is 26.

The square root of 45132425 is about 6718.0670583137. The cubic root of 45132425 is about 356.0378936434.

Adding to 45132425 its reverse (52423154), we get a palindrome (97555579).

The spelling of 45132425 in words is "forty-five million, one hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 5 13 25 65 325 138869 694345 1805297 3471725 9026485 45132425