Search a number
-
+
408164 = 22671523
BaseRepresentation
bin1100011101001100100
3202201220012
41203221210
5101030124
612425352
73316661
oct1435144
9681805
10408164
11259729
12178258
13113a23
14a8a68
1580e0e
hex63a64

408164 has 12 divisors (see below), whose sum is σ = 725424. Its totient is φ = 200904.

The previous prime is 408137. The next prime is 408169. The reversal of 408164 is 461804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (408169) by changing a digit.

408164 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494 + ... + 1029.

It is an arithmetic number, because the mean of its divisors is an integer number (60452).

2408164 is an apocalyptic number.

It is an amenable number.

408164 is a deficient number, since it is larger than the sum of its proper divisors (317260).

408164 is a wasteful number, since it uses less digits than its factorization.

408164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 408164 is about 638.8771399886. The cubic root of 408164 is about 74.1785316764.

Adding to 408164 its reverse (461804), we get a palindrome (869968).

The spelling of 408164 in words is "four hundred eight thousand, one hundred sixty-four".

Divisors: 1 2 4 67 134 268 1523 3046 6092 102041 204082 408164