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404312101 = 2343408809
BaseRepresentation
bin11000000110010…
…101000000100101
31001011210011221021
4120012111000211
51312000441401
6104041451141
713006411324
oct3006250045
91034704837
10404312101
11198250736
12b34a0ab1
13659c123b
143b9a80bb
15257662a1
hex18195025

404312101 has 8 divisors (see below), whose sum is σ = 431703360. Its totient is φ = 377738592.

The previous prime is 404312089. The next prime is 404312131. The reversal of 404312101 is 101213404.

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 404312101 - 215 = 404279333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404312131) 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, 203416 + ... + 205393.

It is an arithmetic number, because the mean of its divisors is an integer number (53962920).

Almost surely, 2404312101 is an apocalyptic number.

It is an amenable number.

404312101 is a deficient number, since it is larger than the sum of its proper divisors (27391259).

404312101 is a wasteful number, since it uses less digits than its factorization.

404312101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408875.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 404312101 is about 20107.5135459360. The cubic root of 404312101 is about 739.4444948323. Note that the first 4 decimals are identical.

Adding to 404312101 its reverse (101213404), we get a palindrome (505525505).

The spelling of 404312101 in words is "four hundred four million, three hundred twelve thousand, one hundred one".

Divisors: 1 23 43 989 408809 9402607 17578787 404312101