Search a number
-
+
303143034 = 23431174973
BaseRepresentation
bin10010000100011…
…001100001111010
3210010102021001210
4102010121201322
51110101034114
650025223550
710340446635
oct2204314172
9703367053
10303143034
11146130937
1285631bb6
134aa5b59c
142c390c1c
151b930259
hex1211987a

303143034 has 16 divisors (see below), whose sum is σ = 620386272. Its totient is φ = 98697648.

The previous prime is 303143023. The next prime is 303143047. The reversal of 303143034 is 430341303.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 303143034.

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, 587229 + ... + 587744.

It is an arithmetic number, because the mean of its divisors is an integer number (38774142).

Almost surely, 2303143034 is an apocalyptic number.

303143034 is an abundant number, since it is smaller than the sum of its proper divisors (317243238).

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

303143034 is a wasteful number, since it uses less digits than its factorization.

303143034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175021.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 303143034 is about 17411.0032450747. The cubic root of 303143034 is about 671.7626668631.

Adding to 303143034 its reverse (430341303), we get a palindrome (733484337).

The spelling of 303143034 in words is "three hundred three million, one hundred forty-three thousand, thirty-four".

Divisors: 1 2 3 6 43 86 129 258 1174973 2349946 3524919 7049838 50523839 101047678 151571517 303143034