Search a number
-
+
500311044 = 223234939821
BaseRepresentation
bin11101110100100…
…010010000000100
31021212102102201200
4131310202100010
52011034423134
6121351222500
715253400532
oct3564422004
91255372650
10500311044
1123745a102
1211b677a30
137c86384c
144a637152
152ddca499
hex1dd22404

500311044 has 36 divisors (see below), whose sum is σ = 1268330700. Its totient is φ = 166288320.

The previous prime is 500311033. The next prime is 500311061. The reversal of 500311044 is 440113005.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 349316100 + 150994944 = 18690^2 + 12288^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×5003110442 = 500622281496739872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7347 + ... + 32474.

Almost surely, 2500311044 is an apocalyptic number.

It is an amenable number.

500311044 is an abundant number, since it is smaller than the sum of its proper divisors (768019656).

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

500311044 is a wasteful number, since it uses less digits than its factorization.

500311044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40180 (or 40175 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 500311044 is about 22367.6338489345. The cubic root of 500311044 is about 793.8650757249.

Adding to 500311044 its reverse (440113005), we get a palindrome (940424049).

The spelling of 500311044 in words is "five hundred million, three hundred eleven thousand, forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 349 698 1047 1396 2094 3141 4188 6282 12564 39821 79642 119463 159284 238926 358389 477852 716778 1433556 13897529 27795058 41692587 55590116 83385174 125077761 166770348 250155522 500311044