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338465 = 5139487
BaseRepresentation
bin1010010101000100001
3122012021202
41102220201
541312330
611130545
72606531
oct1225041
9565252
10338465
11211326
12143a55
13bb09a
148b4c1
156a445
hex52a21

338465 has 8 divisors (see below), whose sum is σ = 409920. Its totient is φ = 268272.

The previous prime is 338461. The next prime is 338473. The reversal of 338465 is 564833.

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 338465 - 22 = 338461 is a prime.

It is a super-2 number, since 2×3384652 = 229117112450, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 338465.

It is not an unprimeable number, because it can be changed into a prime (338461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452 + ... + 938.

It is an arithmetic number, because the mean of its divisors is an integer number (51240).

2338465 is an apocalyptic number.

It is an amenable number.

338465 is a deficient number, since it is larger than the sum of its proper divisors (71455).

338465 is a wasteful number, since it uses less digits than its factorization.

338465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631.

The product of its digits is 8640, while the sum is 29.

The square root of 338465 is about 581.7774488582. Note that the first 3 decimals coincide. The cubic root of 338465 is about 69.6901268893.

The spelling of 338465 in words is "three hundred thirty-eight thousand, four hundred sixty-five".

Divisors: 1 5 139 487 695 2435 67693 338465