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253083 = 3292909
BaseRepresentation
bin111101110010011011
3110212011110
4331302123
531044313
65231403
72102565
oct756233
9425143
10253083
11163166
12102563
138b26c
1468335
154eec3
hex3dc9b

253083 has 8 divisors (see below), whose sum is σ = 349200. Its totient is φ = 162848.

The previous prime is 253081. The next prime is 253103. The reversal of 253083 is 380352.

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 253083 - 21 = 253081 is a prime.

It is an Ulam number.

253083 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (253081) 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, 1368 + ... + 1541.

It is an arithmetic number, because the mean of its divisors is an integer number (43650).

2253083 is an apocalyptic number.

253083 is a deficient number, since it is larger than the sum of its proper divisors (96117).

253083 is a wasteful number, since it uses less digits than its factorization.

253083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2941.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253083 is about 503.0735532703. The cubic root of 253083 is about 63.2539510205.

The spelling of 253083 in words is "two hundred fifty-three thousand, eighty-three".

Divisors: 1 3 29 87 2909 8727 84361 253083