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404507052 = 223211236307
BaseRepresentation
bin11000000111000…
…100100110101100
31001012011002100200
4120013010212230
51312023211202
6104045553500
713011152565
oct3007044654
91035132320
10404507052
11198374154
12b3575890
1365a5bbb1
143ba1916c
15257a3e1c
hex181c49ac

404507052 has 18 divisors (see below), whose sum is σ = 1022504028. Its totient is φ = 134835672.

The previous prime is 404507023. The next prime is 404507069. The reversal of 404507052 is 250705404.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5618118 + ... + 5618189.

Almost surely, 2404507052 is an apocalyptic number.

It is an amenable number.

404507052 is an abundant number, since it is smaller than the sum of its proper divisors (617996976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404507052 is a wasteful number, since it uses less digits than its factorization.

404507052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236317 (or 11236312 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 404507052 is about 20112.3606769568. The cubic root of 404507052 is about 739.5633240569.

The spelling of 404507052 in words is "four hundred four million, five hundred seven thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 11236307 22472614 33708921 44945228 67417842 101126763 134835684 202253526 404507052