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404132043 = 3719244383
BaseRepresentation
bin11000000101101…
…001000011001011
31001011110000221110
4120011221003023
51311424211133
6104033541403
713005031350
oct3005510313
91034400843
10404132043
11198138427
12b3414863
136595a2b3
143b95c627
152572cc63
hex181690cb

404132043 has 8 divisors (see below), whose sum is σ = 615820288. Its totient is φ = 230932584.

The previous prime is 404131969. The next prime is 404132051. The reversal of 404132043 is 340231404.

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

It is not a de Polignac number, because 404132043 - 210 = 404131019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 19244383 = 404132043 / (4 + 0 + 4 + 1 + 3 + 2 + 0 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404132843) 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, 9622171 + ... + 9622212.

It is an arithmetic number, because the mean of its divisors is an integer number (76977536).

Almost surely, 2404132043 is an apocalyptic number.

404132043 is a deficient number, since it is larger than the sum of its proper divisors (211688245).

404132043 is a wasteful number, since it uses less digits than its factorization.

404132043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19244393.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 404132043 is about 20103.0356662868. The cubic root of 404132043 is about 739.3347094576.

Adding to 404132043 its reverse (340231404), we get a palindrome (744363447).

The spelling of 404132043 in words is "four hundred four million, one hundred thirty-two thousand, forty-three".

Divisors: 1 3 7 21 19244383 57733149 134710681 404132043