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253001 = 747769
BaseRepresentation
bin111101110001001001
3110212001102
4331301021
531044001
65231145
72102420
oct756111
9425042
10253001
111630a1
121024b5
138b208
14682b7
154ee6b
hex3dc49

253001 has 8 divisors (see below), whose sum is σ = 295680. Its totient is φ = 211968.

The previous prime is 252983. The next prime is 253003. The reversal of 253001 is 100352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 253001 - 26 = 252937 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 56 + ... + 713.

It is an arithmetic number, because the mean of its divisors is an integer number (36960).

2253001 is an apocalyptic number.

It is an amenable number.

253001 is a deficient number, since it is larger than the sum of its proper divisors (42679).

253001 is an equidigital number, since it uses as much as digits as its factorization.

253001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823.

The product of its (nonzero) digits is 30, while the sum is 11.

The square root of 253001 is about 502.9920476509. The cubic root of 253001 is about 63.2471187635.

Adding to 253001 its reverse (100352), we get a palindrome (353353).

The spelling of 253001 in words is "two hundred fifty-three thousand, one".

Divisors: 1 7 47 329 769 5383 36143 253001