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253007 = 1132239
BaseRepresentation
bin111101110001001111
3110212001122
4331301033
531044012
65231155
72102426
oct756117
9425048
10253007
111630a7
121024bb
138b211
14682bd
154ee72
hex3dc4f

253007 has 4 divisors (see below), whose sum is σ = 255360. Its totient is φ = 250656.

The previous prime is 253003. The next prime is 253013. The reversal of 253007 is 700352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 253007 - 22 = 253003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253007.

It is not an unprimeable number, because it can be changed into a prime (253003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 1232.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2253007 is an apocalyptic number.

253007 is a deficient number, since it is larger than the sum of its proper divisors (2353).

253007 is a wasteful number, since it uses less digits than its factorization.

253007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 253007 is about 502.9980119245. The cubic root of 253007 is about 63.2476187348.

Adding to 253007 its reverse (700352), we get a palindrome (953359).

The spelling of 253007 in words is "two hundred fifty-three thousand, seven".

Divisors: 1 113 2239 253007