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342493 = 2314891
BaseRepresentation
bin1010011100111011101
3122101210221
41103213131
541424433
611201341
72624344
oct1234735
9571727
10342493
11214358
12146251
13bcb78
148cb5b
156b72d
hex539dd

342493 has 4 divisors (see below), whose sum is σ = 357408. Its totient is φ = 327580.

The previous prime is 342481. The next prime is 342497. The reversal of 342493 is 394243.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-342493 is a prime.

It is a d-powerful number, because it can be written as 39 + 45 + 49 + 29 + 92 + 310 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342497) 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, 7423 + ... + 7468.

It is an arithmetic number, because the mean of its divisors is an integer number (89352).

2342493 is an apocalyptic number.

It is an amenable number.

342493 is a deficient number, since it is larger than the sum of its proper divisors (14915).

342493 is a wasteful number, since it uses less digits than its factorization.

342493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14914.

The product of its digits is 2592, while the sum is 25.

The square root of 342493 is about 585.2290150018. The cubic root of 342493 is about 69.9654931966.

The spelling of 342493 in words is "three hundred forty-two thousand, four hundred ninety-three".

Divisors: 1 23 14891 342493