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404066461 = 2373240659
BaseRepresentation
bin11000000101011…
…001000010011101
31001011022200222111
4120011121002131
51311420111321
6104032314021
713004336221
oct3005310235
91034280874
10404066461
111980a3127
12b33a2911
13659364a6
143b942781
15257185e1
hex1815909d

404066461 has 8 divisors (see below), whose sum is σ = 427412160. Its totient is φ = 381202272.

The previous prime is 404066449. The next prime is 404066471. The reversal of 404066461 is 164660404.

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 404066461 - 211 = 404064413 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 (404066441) 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, 118651 + ... + 122008.

It is an arithmetic number, because the mean of its divisors is an integer number (53426520).

Almost surely, 2404066461 is an apocalyptic number.

It is an amenable number.

404066461 is a deficient number, since it is larger than the sum of its proper divisors (23345699).

404066461 is a wasteful number, since it uses less digits than its factorization.

404066461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240755.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 404066461 is about 20101.4044534207. The cubic root of 404066461 is about 739.2947145493.

The spelling of 404066461 in words is "four hundred four million, sixty-six thousand, four hundred sixty-one".

Divisors: 1 23 73 1679 240659 5535157 17568107 404066461