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45025825 = 5213210657
BaseRepresentation
bin1010101111000…
…0101000100001
310010201112211011
42223300220201
543011311300
64245020521
71054466425
oct253605041
9103645734
1045025825
1123463629
12130b4741
139436300
145da0b85
153e45eba
hex2af0a21

45025825 has 18 divisors (see below), whose sum is σ = 60462834. Its totient is φ = 33246720.

The previous prime is 45025823. The next prime is 45025847. The reversal of 45025825 is 52852054.

It can be written as a sum of positive squares in 9 ways, for example, as 39150049 + 5875776 = 6257^2 + 2424^2 .

It is not a de Polignac number, because 45025825 - 21 = 45025823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45025823) 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 17 ways as a sum of consecutive naturals, for example, 1104 + ... + 9553.

Almost surely, 245025825 is an apocalyptic number.

It is an amenable number.

45025825 is a deficient number, since it is larger than the sum of its proper divisors (15437009).

45025825 is a wasteful number, since it uses less digits than its factorization.

45025825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10693 (or 10675 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 45025825 is about 6710.1285382621. The cubic root of 45025825 is about 355.7573594885.

Adding to 45025825 its reverse (52852054), we get a palindrome (97877879).

The spelling of 45025825 in words is "forty-five million, twenty-five thousand, eight hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 4225 10657 53285 138541 266425 692705 1801033 3463525 9005165 45025825