Search a number
-
+
404082930 = 23565320627
BaseRepresentation
bin11000000101011…
…101000011110010
31001011100112120110
4120011131003302
51311421123210
6104032522150
713004435226
oct3005350362
91034315513
10404082930
11198104539
12b33b0356
1365940b34
143b948786
152571d420
hex1815d0f2

404082930 has 32 divisors (see below), whose sum is σ = 971331264. Its totient is φ = 107585216.

The previous prime is 404082919. The next prime is 404082941. The reversal of 404082930 is 39280404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404082919) and next prime (404082941).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9277 + ... + 29903.

It is an arithmetic number, because the mean of its divisors is an integer number (30354102).

Almost surely, 2404082930 is an apocalyptic number.

404082930 is an abundant number, since it is smaller than the sum of its proper divisors (567248334).

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

404082930 is a wasteful number, since it uses less digits than its factorization.

404082930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21290.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 404082930 is about 20101.8140972401. The cubic root of 404082930 is about 739.3047585070.

The spelling of 404082930 in words is "four hundred four million, eighty-two thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 653 1306 1959 3265 3918 6530 9795 19590 20627 41254 61881 103135 123762 206270 309405 618810 13469431 26938862 40408293 67347155 80816586 134694310 202041465 404082930