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5152180 = 2251122129
BaseRepresentation
bin10011101001110110110100
3100200202110111
4103221312310
52304332210
6302232404
761535635
oct23516664
910622414
105152180
1129a9a00
121885704
1310b5137
1498188c
156bb88a
hex4e9db4

5152180 has 36 divisors (see below), whose sum is σ = 11898180. Its totient is φ = 1872640.

The previous prime is 5152177. The next prime is 5152181. The reversal of 5152180 is 812515.

It can be written as a sum of positive squares in 2 ways, for example, as 1572516 + 3579664 = 1254^2 + 1892^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1356 + ... + 3484.

It is an arithmetic number, because the mean of its divisors is an integer number (330505).

Almost surely, 25152180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5152180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5949090).

5152180 is an abundant number, since it is smaller than the sum of its proper divisors (6746000).

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

5152180 is a wasteful number, since it uses less digits than its factorization.

5152180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2147 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 5152180 is about 2269.8414041514. The cubic root of 5152180 is about 172.7151135569.

Adding to 5152180 its reverse (812515), we get a palindrome (5964695).

The spelling of 5152180 in words is "five million, one hundred fifty-two thousand, one hundred eighty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 121 220 242 484 605 1210 2129 2420 4258 8516 10645 21290 23419 42580 46838 93676 117095 234190 257609 468380 515218 1030436 1288045 2576090 5152180