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338493 = 3112831
BaseRepresentation
bin1010010101000111101
3122012022210
41102220331
541312433
611131033
72606601
oct1225075
9565283
10338493
11211351
12143a79
13bb0bc
148b501
156a463
hex52a3d

338493 has 4 divisors (see below), whose sum is σ = 451328. Its totient is φ = 225660.

The previous prime is 338477. The next prime is 338497. The reversal of 338493 is 394833.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 394833 = 3131611.

It is not a de Polignac number, because 338493 - 24 = 338477 is a prime.

It is a super-2 number, since 2×3384932 = 229155022098, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 338493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338497) 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, 56413 + ... + 56418.

It is an arithmetic number, because the mean of its divisors is an integer number (112832).

2338493 is an apocalyptic number.

It is an amenable number.

338493 is a deficient number, since it is larger than the sum of its proper divisors (112835).

338493 is a wasteful number, since it uses less digits than its factorization.

338493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112834.

The product of its digits is 7776, while the sum is 30.

The square root of 338493 is about 581.8015125453. The cubic root of 338493 is about 69.6920485747.

The spelling of 338493 in words is "three hundred thirty-eight thousand, four hundred ninety-three".

Divisors: 1 3 112831 338493