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404027885 = 5199940423
BaseRepresentation
bin11000000101001…
…111100111101101
31001011020202001202
4120011033213231
51311412343020
6104031415245
713004115602
oct3005174755
91034222052
10404027885
11198077148
12b3384525
1365921a71
143b9326a9
152570be75
hex1814f9ed

404027885 has 8 divisors (see below), whose sum is σ = 485088000. Its totient is φ = 323052624.

The previous prime is 404027863. The next prime is 404027927. The reversal of 404027885 is 588720404.

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 404027885 - 28 = 404027629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10217 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (60636000).

Almost surely, 2404027885 is an apocalyptic number.

It is an amenable number.

404027885 is a deficient number, since it is larger than the sum of its proper divisors (81060115).

404027885 is a wasteful number, since it uses less digits than its factorization.

404027885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42427.

The product of its (nonzero) digits is 71680, while the sum is 38.

The square root of 404027885 is about 20100.4448955738. Note that the first 3 decimals coincide. The cubic root of 404027885 is about 739.2711871157.

The spelling of 404027885 in words is "four hundred four million, twenty-seven thousand, eight hundred eighty-five".

Divisors: 1 5 1999 9995 40423 202115 80805577 404027885