Search a number
-
+
5164421200 = 245212911053
BaseRepresentation
bin1001100111101001…
…01101000001010000
3111022220202210001021
410303310231001100
541034042434300
62212243245224
7241656566401
oct46364550120
914286683037
105164421200
1122101aa0a4
121001679814
13643c39843
1436dc619a8
152035d3d1a
hex133d2d050

5164421200 has 30 divisors (see below), whose sum is σ = 12407522894. Its totient is φ = 2065768320.

The previous prime is 5164421159. The next prime is 5164421201. The reversal of 5164421200 is 21244615.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11478544 + 5152942656 = 3388^2 + 71784^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5164421201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6455127 + ... + 6455926.

Almost surely, 25164421200 is an apocalyptic number.

5164421200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5164421200 is an abundant number, since it is smaller than the sum of its proper divisors (7243101694).

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

5164421200 is a wasteful number, since it uses less digits than its factorization.

5164421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12911071 (or 12911060 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 5164421200 is about 71863.9074918697. The cubic root of 5164421200 is about 1728.5179149571.

Adding to 5164421200 its reverse (21244615), we get a palindrome (5185665815).

The spelling of 5164421200 in words is "five billion, one hundred sixty-four million, four hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 12911053 25822106 51644212 64555265 103288424 129110530 206576848 258221060 322776325 516442120 645552650 1032884240 1291105300 2582210600 5164421200