Search a number
-
+
55210130 = 2515136563
BaseRepresentation
bin1101001010011…
…1000010010010
310211212222001122
43102213002102
5103113211010
65251202242
71240164323
oct322470222
9124788048
1055210130
112918a208
12165a6382
13b590a21
14749244a
154ca8855
hex34a7092

55210130 has 16 divisors (see below), whose sum is σ = 100039104. Its totient is φ = 21937200.

The previous prime is 55210123. The next prime is 55210139. The reversal of 55210130 is 3101255.

It is a junction number, because it is equal to n+sod(n) for n = 55210099 and 55210108.

It is not an unprimeable number, because it can be changed into a prime (55210139) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16772 + ... + 19791.

It is an arithmetic number, because the mean of its divisors is an integer number (6252444).

Almost surely, 255210130 is an apocalyptic number.

55210130 is a deficient number, since it is larger than the sum of its proper divisors (44828974).

55210130 is a wasteful number, since it uses less digits than its factorization.

55210130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36721.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 55210130 is about 7430.3519432124. The cubic root of 55210130 is about 380.7789423615.

Adding to 55210130 its reverse (3101255), we get a palindrome (58311385).

The spelling of 55210130 in words is "fifty-five million, two hundred ten thousand, one hundred thirty".

Divisors: 1 2 5 10 151 302 755 1510 36563 73126 182815 365630 5521013 11042026 27605065 55210130