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404430423331 = 1187834186087
BaseRepresentation
bin1011110001010011110…
…11101000010100100011
31102122220110012012020211
411320221323220110203
523111233142021311
6505443123314551
741135106610054
oct5705173502443
91378813165224
10404430423331
11146577480a90
126646ab1ba57
132c1a3493bcc
141580875a72b
15a7c0841821
hex5e29ee8523

404430423331 has 8 divisors (see below), whose sum is σ = 441247163904. Its totient is φ = 367622072520.

The previous prime is 404430423323. The next prime is 404430423361. The reversal of 404430423331 is 133324034404.

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

It is a cyclic number.

It is not a de Polignac number, because 404430423331 - 23 = 404430423323 is a prime.

It is a super-2 number, since 2×4044304233312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404430423293 and 404430423302.

It is not an unprimeable number, because it can be changed into a prime (404430423361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1996431 + ... + 2189656.

It is an arithmetic number, because the mean of its divisors is an integer number (55155895488).

Almost surely, 2404430423331 is an apocalyptic number.

404430423331 is a deficient number, since it is larger than the sum of its proper divisors (36816740573).

404430423331 is a wasteful number, since it uses less digits than its factorization.

404430423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194881.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 404430423331 its reverse (133324034404), we get a palindrome (537754457735).

The spelling of 404430423331 in words is "four hundred four billion, four hundred thirty million, four hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 11 8783 96613 4186087 46046957 36766402121 404430423331