Search a number
-
+
455584138 = 22371139493
BaseRepresentation
bin11011001001111…
…010100110001010
31011202021001221121
4123021322212022
51413112143023
6113112425454
714201254432
oct3311724612
91152231847
10455584138
11214190119
121086a828a
1373503619
14447132c2
1529ee2d5d
hex1b27a98a

455584138 has 16 divisors (see below), whose sum is σ = 723136896. Its totient is φ = 214817680.

The previous prime is 455584123. The next prime is 455584163. The reversal of 455584138 is 831485554.

It is a junction number, because it is equal to n+sod(n) for n = 455584094 and 455584103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66481 + ... + 73012.

It is an arithmetic number, because the mean of its divisors is an integer number (45196056).

Almost surely, 2455584138 is an apocalyptic number.

455584138 is a deficient number, since it is larger than the sum of its proper divisors (267552758).

455584138 is a wasteful number, since it uses less digits than its factorization.

455584138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139589.

The product of its digits is 384000, while the sum is 43.

The square root of 455584138 is about 21344.4170217882. The cubic root of 455584138 is about 769.4661718478.

The spelling of 455584138 in words is "four hundred fifty-five million, five hundred eighty-four thousand, one hundred thirty-eight".

Divisors: 1 2 23 46 71 142 1633 3266 139493 278986 3208339 6416678 9904003 19808006 227792069 455584138