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613425 = 3528179
BaseRepresentation
bin10010101110000110001
31011011110110
42111300301
5124112200
621051533
75133261
oct2256061
91134413
10613425
1138996a
12256ba9
13186297
1411d7a1
15c1b50
hex95c31

613425 has 12 divisors (see below), whose sum is σ = 1014320. Its totient is φ = 327120.

The previous prime is 613421. The next prime is 613427. The reversal of 613425 is 524316.

It is a happy number.

It is not a de Polignac number, because 613425 - 22 = 613421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (613421) 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, 4015 + ... + 4164.

2613425 is an apocalyptic number.

It is an amenable number.

613425 is a deficient number, since it is larger than the sum of its proper divisors (400895).

613425 is a wasteful number, since it uses less digits than its factorization.

613425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8192 (or 8187 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 613425 is about 783.2145299980. The cubic root of 613425 is about 84.9676924508.

It can be divided in two parts, 61 and 3425, that added together give a triangular number (3486 = T83).

The spelling of 613425 in words is "six hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 3 5 15 25 75 8179 24537 40895 122685 204475 613425