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404078053 = 2340494339
BaseRepresentation
bin11000000101011…
…011110111100101
31001011100021212211
4120011123313211
51311420444203
6104032443421
713004415061
oct3005336745
91034307784
10404078053
11198100905
12b33a9571
136593b852
143b946aa1
152571bc6d
hex1815bde5

404078053 has 8 divisors (see below), whose sum is σ = 421848000. Its totient is φ = 386324928.

The previous prime is 404078047. The next prime is 404078069. The reversal of 404078053 is 350870404.

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

It is not a de Polignac number, because 404078053 - 25 = 404078021 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 (404078093) 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, 90958 + ... + 95296.

It is an arithmetic number, because the mean of its divisors is an integer number (52731000).

Almost surely, 2404078053 is an apocalyptic number.

It is an amenable number.

404078053 is a deficient number, since it is larger than the sum of its proper divisors (17769947).

404078053 is a wasteful number, since it uses less digits than its factorization.

404078053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8411.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 404078053 is about 20101.6927894145. The cubic root of 404078053 is about 739.3017841969.

The spelling of 404078053 in words is "four hundred four million, seventy-eight thousand, fifty-three".

Divisors: 1 23 4049 4339 93127 99797 17568611 404078053