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430440404 = 22673715973
BaseRepresentation
bin11001101001111…
…111111111010100
31002222221122020012
4121221333333110
51340143043104
6110413455352
713444453202
oct3151777724
91088848205
10430440404
11200a77279
121001a1558
136b23bb84
144124a072
1527bc7d6e
hex19a7ffd4

430440404 has 12 divisors (see below), whose sum is σ = 753429684. Its totient is φ = 215174784.

The previous prime is 430440397. The next prime is 430440443. The reversal of 430440404 is 404044034.

It can be written as a sum of positive squares in 2 ways, for example, as 272184004 + 158256400 = 16498^2 + 12580^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 430440404.

It is a congruent number.

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, 18962 + ... + 34934.

It is an arithmetic number, because the mean of its divisors is an integer number (62785807).

Almost surely, 2430440404 is an apocalyptic number.

It is an amenable number.

430440404 is a deficient number, since it is larger than the sum of its proper divisors (322989280).

430440404 is a wasteful number, since it uses less digits than its factorization.

430440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22714 (or 22712 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 430440404 is about 20747.0577191080. The cubic root of 430440404 is about 755.0418256729.

Adding to 430440404 its reverse (404044034), we get a palindrome (834484438).

The spelling of 430440404 in words is "four hundred thirty million, four hundred forty thousand, four hundred four".

Divisors: 1 2 4 6737 13474 15973 26948 31946 63892 107610101 215220202 430440404