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5145517 = 13397997
BaseRepresentation
bin10011101000001110101101
3100200102022201
4103220032231
52304124032
6302141501
761510336
oct23501655
910612281
105145517
1129a49a3
121881891
1310b20b0
1497d28d
156b98e7
hex4e83ad

5145517 has 8 divisors (see below), whose sum is σ = 5560856. Its totient is φ = 4732992.

The previous prime is 5145493. The next prime is 5145521. The reversal of 5145517 is 7155415.

It can be written as a sum of positive squares in 4 ways, for example, as 1121481 + 4024036 = 1059^2 + 2006^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5145517 - 27 = 5145389 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 (5145017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4663 + ... + 5659.

It is an arithmetic number, because the mean of its divisors is an integer number (695107).

Almost surely, 25145517 is an apocalyptic number.

It is an amenable number.

5145517 is a deficient number, since it is larger than the sum of its proper divisors (415339).

5145517 is a wasteful number, since it uses less digits than its factorization.

5145517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407.

The product of its digits is 3500, while the sum is 28.

The square root of 5145517 is about 2268.3732056256. The cubic root of 5145517 is about 172.6406274659.

The spelling of 5145517 in words is "five million, one hundred forty-five thousand, five hundred seventeen".

Divisors: 1 13 397 997 5161 12961 395809 5145517