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45725485 = 5132531021
BaseRepresentation
bin1010111001101…
…1011100101101
310012001002120111
42232123130231
543201203420
64312020021
71063442311
oct256333455
9105032514
1045725485
11238a1263
1213391611
13961c900
146103b41
15403345a
hex2b9b72d

45725485 has 24 divisors (see below), whose sum is σ = 60596424. Its totient is φ = 33096960.

The previous prime is 45725483. The next prime is 45725497. The reversal of 45725485 is 58452754.

45725485 = 47812 + 47822.

It can be written as a sum of positive squares in 12 ways, for example, as 18913801 + 26811684 = 4349^2 + 5178^2 .

It is not a de Polignac number, because 45725485 - 21 = 45725483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45725483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44275 + ... + 45295.

It is an arithmetic number, because the mean of its divisors is an integer number (2524851).

Almost surely, 245725485 is an apocalyptic number.

45725485 is the 4782-nd centered square number.

It is an amenable number.

45725485 is a deficient number, since it is larger than the sum of its proper divisors (14870939).

45725485 is a wasteful number, since it uses less digits than its factorization.

45725485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105 (or 1092 counting only the distinct ones).

The product of its digits is 224000, while the sum is 40.

The square root of 45725485 is about 6762.0621854579. The cubic root of 45725485 is about 357.5906106410.

The spelling of 45725485 in words is "forty-five million, seven hundred twenty-five thousand, four hundred eighty-five".

Divisors: 1 5 13 53 65 169 265 689 845 1021 3445 5105 8957 13273 44785 54113 66365 172549 270565 703469 862745 3517345 9145097 45725485