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5191265 = 51038253
BaseRepresentation
bin10011110011011001100001
3100202202002002
4103303121201
52312110030
6303133345
762060612
oct23633141
910682062
105191265
112a26302
1218a4255
1310c9b71
14991c09
156c8245
hex4f3661

5191265 has 4 divisors (see below), whose sum is σ = 6229524. Its totient is φ = 4153008.

The previous prime is 5191259. The next prime is 5191267. The reversal of 5191265 is 5621915.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 529984 + 4661281 = 728^2 + 2159^2 .

It is a cyclic number.

It is not a de Polignac number, because 5191265 - 214 = 5174881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5191267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519122 + ... + 519131.

It is an arithmetic number, because the mean of its divisors is an integer number (1557381).

Almost surely, 25191265 is an apocalyptic number.

It is an amenable number.

5191265 is a deficient number, since it is larger than the sum of its proper divisors (1038259).

5191265 is a wasteful number, since it uses less digits than its factorization.

5191265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038258.

The product of its digits is 2700, while the sum is 29.

The square root of 5191265 is about 2278.4347697487. The cubic root of 5191265 is about 173.1507590252.

The spelling of 5191265 in words is "five million, one hundred ninety-one thousand, two hundred sixty-five".

Divisors: 1 5 1038253 5191265