Search a number
-
+
319012 = 22173461
BaseRepresentation
bin1001101111000100100
3121012121021
41031320210
540202022
610500524
72466031
oct1157044
9535537
10319012
111a8751
12134744
13b2285
1484388
15647c7
hex4de24

319012 has 12 divisors (see below), whose sum is σ = 562716. Its totient is φ = 158240.

The previous prime is 319001. The next prime is 319027. The reversal of 319012 is 210913.

It can be written as a sum of positive squares in 2 ways, for example, as 206116 + 112896 = 454^2 + 336^2 .

It is a super-2 number, since 2×3190122 = 203537312288, which contains 22 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462 + ... + 922.

It is an arithmetic number, because the mean of its divisors is an integer number (46893).

2319012 is an apocalyptic number.

It is an amenable number.

319012 is a deficient number, since it is larger than the sum of its proper divisors (243704).

319012 is a wasteful number, since it uses less digits than its factorization.

319012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 319012 is about 564.8114729713. The cubic root of 319012 is about 68.3285712856.

Adding to 319012 its reverse (210913), we get a palindrome (529925).

The spelling of 319012 in words is "three hundred nineteen thousand, twelve".

Divisors: 1 2 4 173 346 461 692 922 1844 79753 159506 319012