Search a number
-
+
408430 = 25114779
BaseRepresentation
bin1100011101101101110
3202202021001
41203231232
5101032210
612430514
73320521
oct1435556
9682231
10408430
11259950
1217843a
13113b99
14a8bb8
158103a
hex63b6e

408430 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 143520.

The previous prime is 408427. The next prime is 408431. The reversal of 408430 is 34804.

It is a junction number, because it is equal to n+sod(n) for n = 408398 and 408407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131 + ... + 5209.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2408430 is an apocalyptic number.

408430 is an abundant number, since it is smaller than the sum of its proper divisors (421010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408430 is a wasteful number, since it uses less digits than its factorization.

408430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 408430 is about 639.0852838237. The cubic root of 408430 is about 74.1946421978.

It can be divided in two parts, 4084 and 30, that added together give a palindrome (4114).

The spelling of 408430 in words is "four hundred eight thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 47 55 79 94 110 158 235 395 470 517 790 869 1034 1738 2585 3713 4345 5170 7426 8690 18565 37130 40843 81686 204215 408430