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69253 = 233011
BaseRepresentation
bin10000111010000101
310111222221
4100322011
54204003
61252341
7405622
oct207205
9114887
1069253
1148038
12340b1
13256a2
141b349
15157bd
hex10e85

69253 has 4 divisors (see below), whose sum is σ = 72288. Its totient is φ = 66220.

The previous prime is 69247. The next prime is 69257. The reversal of 69253 is 35296.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 69253 - 25 = 69221 is a prime.

It is a d-powerful number, because it can be written as 6 + 94 + 29 + 55 + 310 .

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69257) 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 3 ways as a sum of consecutive naturals, for example, 1483 + ... + 1528.

It is an arithmetic number, because the mean of its divisors is an integer number (18072).

69253 is a Friedman number, since it can be written as 95*3^6-2, using all its digits and the basic arithmetic operations.

269253 is an apocalyptic number.

It is an amenable number.

69253 is a deficient number, since it is larger than the sum of its proper divisors (3035).

69253 is a wasteful number, since it uses less digits than its factorization.

69253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034.

The product of its digits is 1620, while the sum is 25.

The square root of 69253 is about 263.1596473626. The cubic root of 69253 is about 41.0657284015.

The spelling of 69253 in words is "sixty-nine thousand, two hundred fifty-three".

Divisors: 1 23 3011 69253