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253022 = 27113153
BaseRepresentation
bin111101110001011110
3110212002012
4331301132
531044042
65231222
72102450
oct756136
9425065
10253022
11163110
12102512
138b223
14682d0
154ee82
hex3dc5e

253022 has 32 divisors (see below), whose sum is σ = 497664. Its totient is φ = 93600.

The previous prime is 253013. The next prime is 253049. The reversal of 253022 is 220352.

253022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 252988 and 253006.

It is a congruent number.

It is an unprimeable number.

253022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4748 + ... + 4800.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2253022 is an apocalyptic number.

253022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253022 is a deficient number, since it is larger than the sum of its proper divisors (244642).

253022 is a wasteful number, since it uses less digits than its factorization.

253022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 253022 is about 503.0129222992. The cubic root of 253022 is about 63.2488686284.

Adding to 253022 its reverse (220352), we get a palindrome (473374).

It can be divided in two parts, 2530 and 22, that added together give a palindrome (2552).

The spelling of 253022 in words is "two hundred fifty-three thousand, twenty-two".

Divisors: 1 2 7 11 14 22 31 53 62 77 106 154 217 341 371 434 583 682 742 1166 1643 2387 3286 4081 4774 8162 11501 18073 23002 36146 126511 253022