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265013 = 7172131
BaseRepresentation
bin1000000101100110101
3111110112022
41000230311
531440023
65402525
72152430
oct1005465
9443468
10265013
11171121
12109445
1393818
146c817
15537c8
hex40b35

265013 has 12 divisors (see below), whose sum is σ = 324192. Its totient is φ = 212160.

The previous prime is 265007. The next prime is 265021. The reversal of 265013 is 310562.

It is not a de Polignac number, because 265013 - 24 = 264997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 264982 and 265000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265003) 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, 1958 + ... + 2088.

It is an arithmetic number, because the mean of its divisors is an integer number (27016).

2265013 is an apocalyptic number.

It is an amenable number.

265013 is a deficient number, since it is larger than the sum of its proper divisors (59179).

265013 is a wasteful number, since it uses less digits than its factorization.

265013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 265013 is about 514.7941336107. The cubic root of 265013 is about 64.2326331962.

Adding to 265013 its reverse (310562), we get a palindrome (575575).

The spelling of 265013 in words is "two hundred sixty-five thousand, thirteen".

Divisors: 1 7 17 119 131 289 917 2023 2227 15589 37859 265013