[go: up one dir, main page]

Search a number
-
+
38469 = 312823
BaseRepresentation
bin1001011001000101
31221202210
421121011
52212334
6454033
7220104
oct113105
957683
1038469
11269a2
121a319
1314682
141003b
15b5e9
hex9645

38469 has 4 divisors (see below), whose sum is σ = 51296. Its totient is φ = 25644.

The previous prime is 38461. The next prime is 38501. The reversal of 38469 is 96483.

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 not a de Polignac number, because 38469 - 23 = 38461 is a prime.

It is a super-2 number, since 2×384692 = 2959727922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38461) 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 3 ways as a sum of consecutive naturals, for example, 6409 + ... + 6414.

It is an arithmetic number, because the mean of its divisors is an integer number (12824).

238469 is an apocalyptic number.

It is an amenable number.

38469 is a deficient number, since it is larger than the sum of its proper divisors (12827).

38469 is a wasteful number, since it uses less digits than its factorization.

38469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12826.

The product of its digits is 5184, while the sum is 30.

The square root of 38469 is about 196.1351574808. The cubic root of 38469 is about 33.7575017618.

The spelling of 38469 in words is "thirty-eight thousand, four hundred sixty-nine".

Divisors: 1 3 12823 38469