Search a number
-
+
404203130 = 2540420313
BaseRepresentation
bin11000000101111…
…010011001111010
31001011120122110022
4120011322121322
51311434000010
6104035250442
713005445532
oct3005723172
91034518408
10404203130
11198186881
12b3449a22
1365983766
143b97a4c2
1525743d55
hex1817a67a

404203130 has 8 divisors (see below), whose sum is σ = 727565652. Its totient is φ = 161681248.

The previous prime is 404203123. The next prime is 404203183. The reversal of 404203130 is 31302404.

It can be written as a sum of positive squares in 2 ways, for example, as 403567921 + 635209 = 20089^2 + 797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 404203099 and 404203108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20210147 + ... + 20210166.

Almost surely, 2404203130 is an apocalyptic number.

404203130 is a deficient number, since it is larger than the sum of its proper divisors (323362522).

404203130 is a wasteful number, since it uses less digits than its factorization.

404203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40420320.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 404203130 is about 20104.8036548483. The cubic root of 404203130 is about 739.3780566804.

Adding to 404203130 its reverse (31302404), we get a palindrome (435505534).

The spelling of 404203130 in words is "four hundred four million, two hundred three thousand, one hundred thirty".

Divisors: 1 2 5 10 40420313 80840626 202101565 404203130