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69025 = 5211251
BaseRepresentation
bin10000110110100001
310111200111
4100312201
54202100
61251321
7405145
oct206641
9114614
1069025
1147950
1233b41
1325558
141b225
15156ba
hex10da1

69025 has 12 divisors (see below), whose sum is σ = 93744. Its totient is φ = 50000.

The previous prime is 69019. The next prime is 69029. The reversal of 69025 is 52096.

Adding to 69025 its reverse (52096), we get a palindrome (121121).

It is not a de Polignac number, because 69025 - 25 = 68993 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 68987 and 69005.

It is not an unprimeable number, because it can be changed into a prime (69029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150 + ... + 400.

It is an arithmetic number, because the mean of its divisors is an integer number (7812).

269025 is an apocalyptic number.

It is an amenable number.

69025 is a deficient number, since it is larger than the sum of its proper divisors (24719).

69025 is a wasteful number, since it uses less digits than its factorization.

69025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 69025 is about 262.7260931084. The cubic root of 69025 is about 41.0206122809.

The spelling of 69025 in words is "sixty-nine thousand, twenty-five".

Divisors: 1 5 11 25 55 251 275 1255 2761 6275 13805 69025