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5157605 = 51031521
BaseRepresentation
bin10011101011001011100101
3100201000220102
4103223023211
52310020410
6302313445
761560515
oct23531345
910630812
105157605
112a02a92
121888885
1310b774b
14983845
156bd2a5
hex4eb2e5

5157605 has 4 divisors (see below), whose sum is σ = 6189132. Its totient is φ = 4126080.

The previous prime is 5157599. The next prime is 5157617. The reversal of 5157605 is 5067515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5067515 = 51013503.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 1181569 = 1994^2 + 1087^2 .

It is not a de Polignac number, because 5157605 - 212 = 5153509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515756 + ... + 515765.

It is an arithmetic number, because the mean of its divisors is an integer number (1547283).

Almost surely, 25157605 is an apocalyptic number.

It is an amenable number.

5157605 is a deficient number, since it is larger than the sum of its proper divisors (1031527).

5157605 is a wasteful number, since it uses less digits than its factorization.

5157605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031526.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 5157605 is about 2271.0361071546. The cubic root of 5157605 is about 172.7757125537.

The spelling of 5157605 in words is "five million, one hundred fifty-seven thousand, six hundred five".

Divisors: 1 5 1031521 5157605