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13141625 = 53723653
BaseRepresentation
bin110010001000…
…011001111001
3220201122220212
4302020121321
511331013000
61145400505
7216462530
oct62103171
926648825
1013141625
117466552
124499135
132951813
141a61317
151248c35
hexc88679

13141625 has 32 divisors (see below), whose sum is σ = 19588608. Its totient is φ = 8606400.

The previous prime is 13141619. The next prime is 13141631. The reversal of 13141625 is 52614131.

It is an interprime number because it is at equal distance from previous prime (13141619) and next prime (13141631).

It is not a de Polignac number, because 13141625 - 212 = 13137529 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13141625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19799 + ... + 20451.

It is an arithmetic number, because the mean of its divisors is an integer number (612144).

Almost surely, 213141625 is an apocalyptic number.

It is an amenable number.

13141625 is a deficient number, since it is larger than the sum of its proper divisors (6446983).

13141625 is an equidigital number, since it uses as much as digits as its factorization.

13141625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698 (or 688 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 13141625 is about 3625.1379284104. The cubic root of 13141625 is about 235.9842527557.

Adding to 13141625 its reverse (52614131), we get a palindrome (65755756).

The spelling of 13141625 in words is "thirteen million, one hundred forty-one thousand, six hundred twenty-five".

Divisors: 1 5 7 23 25 35 115 125 161 175 575 653 805 875 2875 3265 4025 4571 15019 16325 20125 22855 75095 81625 105133 114275 375475 525665 571375 1877375 2628325 13141625