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402430130 = 25377115319
BaseRepresentation
bin10111111111001…
…001100010110010
31001001020120100122
4113333021202302
51311010231010
6103533250242
712654412454
oct2777114262
91031216318
10402430130
11197185793
12b2933982
13654b274b
143b6382d4
15254e3855
hex17fc98b2

402430130 has 32 divisors (see below), whose sum is σ = 754479360. Its totient is φ = 154405440.

The previous prime is 402430117. The next prime is 402430139. The reversal of 402430130 is 31034204.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 402430099 and 402430108.

It is not an unprimeable number, because it can be changed into a prime (402430139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18611 + ... + 33929.

It is an arithmetic number, because the mean of its divisors is an integer number (23577480).

Almost surely, 2402430130 is an apocalyptic number.

402430130 is a deficient number, since it is larger than the sum of its proper divisors (352049230).

402430130 is a wasteful number, since it uses less digits than its factorization.

402430130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15434.

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

The square root of 402430130 is about 20060.6612553026. The cubic root of 402430130 is about 738.2954007737.

Adding to 402430130 its reverse (31034204), we get a palindrome (433464334).

The spelling of 402430130 in words is "four hundred two million, four hundred thirty thousand, one hundred thirty".

Divisors: 1 2 5 10 37 71 74 142 185 355 370 710 2627 5254 13135 15319 26270 30638 76595 153190 566803 1087649 1133606 2175298 2834015 5438245 5668030 10876490 40243013 80486026 201215065 402430130