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45495025 = 52192712
BaseRepresentation
bin1010110110001…
…1001011110001
310011121101102221
42231203023301
543121320100
64303041041
71061462362
oct255431361
9104541387
1045495025
11237540a4
12132a0181
13956ba44
146083b69
153eda01a
hex2b632f1

45495025 has 27 divisors (see below), whose sum is σ = 60389643. Its totient is φ = 33994800.

The previous prime is 45495019. The next prime is 45495029. The reversal of 45495025 is 52059454.

It is a happy number.

The square root of 45495025 is 6745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 16378209 + 29116816 = 4047^2 + 5396^2 .

It is not a de Polignac number, because 45495025 - 23 = 45495017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45495029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 640740 + ... + 640810.

Almost surely, 245495025 is an apocalyptic number.

45495025 is the 6745-th square number.

45495025 is the 3373-rd centered octagonal number.

It is an amenable number.

45495025 is a deficient number, since it is larger than the sum of its proper divisors (14894618).

45495025 is an equidigital number, since it uses as much as digits as its factorization.

45495025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The cubic root of 45495025 is about 356.9888370160.

The spelling of 45495025 in words is "forty-five million, four hundred ninety-five thousand, twenty-five".

Divisors: 1 5 19 25 71 95 355 361 475 1349 1775 1805 5041 6745 9025 25205 25631 33725 95779 126025 128155 478895 640775 1819801 2394475 9099005 45495025