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45050525 = 5213138617
BaseRepresentation
bin1010101111011…
…0101010011101
310010202210200222
42223312222131
543013104100
64245331125
71054631432
oct253665235
9103683628
1045050525
1123480143
1213106aa5
139444620
145da9b89
153e4d485
hex2af6a9d

45050525 has 12 divisors (see below), whose sum is σ = 60160212. Its totient is φ = 33267840.

The previous prime is 45050521. The next prime is 45050549. The reversal of 45050525 is 52505054.

It can be written as a sum of positive squares in 6 ways, for example, as 2579236 + 42471289 = 1606^2 + 6517^2 .

It is not a de Polignac number, because 45050525 - 22 = 45050521 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45050494 and 45050503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45050521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68984 + ... + 69633.

It is an arithmetic number, because the mean of its divisors is an integer number (5013351).

Almost surely, 245050525 is an apocalyptic number.

It is an amenable number.

45050525 is a deficient number, since it is larger than the sum of its proper divisors (15109687).

45050525 is a wasteful number, since it uses less digits than its factorization.

45050525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138640 (or 138635 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The square root of 45050525 is about 6711.9687871741. The cubic root of 45050525 is about 355.8224006840.

Adding to 45050525 its reverse (52505054), we get a palindrome (97555579).

The spelling of 45050525 in words is "forty-five million, fifty thousand, five hundred twenty-five".

Divisors: 1 5 13 25 65 325 138617 693085 1802021 3465425 9010105 45050525