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404263130 = 25312112953
BaseRepresentation
bin11000000110001…
…001000011011010
31001011200200202112
4120012021003122
51311442410010
6104040432322
713006115465
oct3006110332
91034620675
10404263130
11198217967
12b34786a2
13659a4b6b
143b9942dc
1525756a05
hex181890da

404263130 has 16 divisors (see below), whose sum is σ = 727962984. Its totient is φ = 161640960.

The previous prime is 404263099. The next prime is 404263163. The reversal of 404263130 is 31362404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89661961 + 314601169 = 9469^2 + 17737^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404263096 and 404263105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24734 + ... + 37686.

Almost surely, 2404263130 is an apocalyptic number.

404263130 is a deficient number, since it is larger than the sum of its proper divisors (323699854).

404263130 is a wasteful number, since it uses less digits than its factorization.

404263130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 404263130 is about 20106.2957801779. The cubic root of 404263130 is about 739.4146393499.

The spelling of 404263130 in words is "four hundred four million, two hundred sixty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 3121 6242 12953 15605 25906 31210 64765 129530 40426313 80852626 202131565 404263130