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1313625 = 35331113
BaseRepresentation
bin101000000101101011001
32110201221210
411000231121
5314014000
644053333
714110545
oct5005531
92421853
101313625
11817a45
12534249
1336cbc1
14262a25
151ae350
hex140b59

1313625 has 32 divisors (see below), whose sum is σ = 2276352. Its totient is φ = 672000.

The previous prime is 1313623. The next prime is 1313629. The reversal of 1313625 is 5263131.

It is not a de Polignac number, because 1313625 - 21 = 1313623 is a prime.

It is a super-3 number, since 3×13136253 = 6800415833373046875, which contains 333 as substring. Note that it is a super-d number also for d = 2.

1313625 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1313621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11569 + ... + 11681.

It is an arithmetic number, because the mean of its divisors is an integer number (71136).

21313625 is an apocalyptic number.

1313625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313625 is a deficient number, since it is larger than the sum of its proper divisors (962727).

1313625 is a wasteful number, since it uses less digits than its factorization.

1313625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 1313625 is about 1146.1348088249. The cubic root of 1313625 is about 109.5192518432.

Adding to 1313625 its reverse (5263131), we get a palindrome (6576756).

The spelling of 1313625 in words is "one million, three hundred thirteen thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 31 75 93 113 125 155 339 375 465 565 775 1695 2325 2825 3503 3875 8475 10509 11625 14125 17515 42375 52545 87575 262725 437875 1313625