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345253 = 1723883
BaseRepresentation
bin1010100010010100101
3122112121011
41110102211
542022003
611222221
72635366
oct1242245
9575534
10345253
11216437
12147971
13c11bc
148db6d
156c46d
hex544a5

345253 has 8 divisors (see below), whose sum is σ = 381888. Its totient is φ = 310464.

The previous prime is 345229. The next prime is 345259. The reversal of 345253 is 352543.

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 345253 - 25 = 345221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345259) 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, 51 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (47736).

2345253 is an apocalyptic number.

It is an amenable number.

345253 is a deficient number, since it is larger than the sum of its proper divisors (36635).

345253 is a wasteful number, since it uses less digits than its factorization.

345253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its digits is 1800, while the sum is 22.

The square root of 345253 is about 587.5823346562. The cubic root of 345253 is about 70.1529309503.

Adding to 345253 its reverse (352543), we get a palindrome (697796).

The spelling of 345253 in words is "three hundred forty-five thousand, two hundred fifty-three".

Divisors: 1 17 23 391 883 15011 20309 345253