Search a number
-
+
253337 = 736191
BaseRepresentation
bin111101110110011001
3110212111212
4331312121
531101322
65232505
72103410
oct756631
9425455
10253337
11163377
12102735
138b406
1468477
15500e2
hex3dd99

253337 has 4 divisors (see below), whose sum is σ = 289536. Its totient is φ = 217140.

The previous prime is 253321. The next prime is 253343. The reversal of 253337 is 733352.

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 not a de Polignac number, because 253337 - 24 = 253321 is a prime.

It is a d-powerful number, because it can be written as 27 + 53 + 34 + 310 + 311 + 75 .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 253337.

It is not an unprimeable number, because it can be changed into a prime (253307) 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, 18089 + ... + 18102.

It is an arithmetic number, because the mean of its divisors is an integer number (72384).

2253337 is an apocalyptic number.

It is an amenable number.

253337 is a deficient number, since it is larger than the sum of its proper divisors (36199).

253337 is an equidigital number, since it uses as much as digits as its factorization.

253337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36198.

The product of its digits is 1890, while the sum is 23.

The square root of 253337 is about 503.3259381355. The cubic root of 253337 is about 63.2751049919.

Adding to 253337 its reverse (733352), we get a palindrome (986689).

The spelling of 253337 in words is "two hundred fifty-three thousand, three hundred thirty-seven".

Divisors: 1 7 36191 253337