Search a number
-
+
405500059 = 3791069921
BaseRepresentation
bin11000001010110…
…111000010011011
31001021000112111201
4120022313002123
51312302000214
6104123135031
713022456626
oct3012670233
91037015451
10405500059
11198992218
12b3974477
1366018b83
143bbd6dbd
15258ed274
hex182b709b

405500059 has 4 divisors (see below), whose sum is σ = 406570360. Its totient is φ = 404429760.

The previous prime is 405500047. The next prime is 405500077. The reversal of 405500059 is 950005504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 405500059 - 25 = 405500027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405500009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534582 + ... + 535339.

It is an arithmetic number, because the mean of its divisors is an integer number (101642590).

Almost surely, 2405500059 is an apocalyptic number.

405500059 is a deficient number, since it is larger than the sum of its proper divisors (1070301).

405500059 is a wasteful number, since it uses less digits than its factorization.

405500059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070300.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 405500059 is about 20137.0320305650. The cubic root of 405500059 is about 740.1680036129.

Subtracting 405500059 from its reverse (950005504), we obtain a palindrome (544505445).

The spelling of 405500059 in words is "four hundred five million, five hundred thousand, fifty-nine".

Divisors: 1 379 1069921 405500059