Search a number
-
+
55103010 = 2358272221
BaseRepresentation
bin1101001000110…
…0111000100010
310211200112010020
43102030320202
5103101244020
65245014310
71236240114
oct322147042
9124615106
1055103010
1129116786
1216554396
13b554041
1474653b4
154c86c40
hex348ce22

55103010 has 32 divisors (see below), whose sum is σ = 132466752. Its totient is φ = 14669760.

The previous prime is 55102997. The next prime is 55103033. The reversal of 55103010 is 1030155.

It is a super-2 number, since 2×551030102 = 6072683422120200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 15 ways as a sum of consecutive naturals, for example, 23700 + ... + 25920.

It is an arithmetic number, because the mean of its divisors is an integer number (4139586).

Almost surely, 255103010 is an apocalyptic number.

55103010 is an abundant number, since it is smaller than the sum of its proper divisors (77363742).

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

55103010 is a wasteful number, since it uses less digits than its factorization.

55103010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 55103010 is about 7423.1401711136. The cubic root of 55103010 is about 380.5325174830.

Adding to 55103010 its reverse (1030155), we get a palindrome (56133165).

It can be divided in two parts, 5 and 5103010, that added together give a palindrome (5103015).

The spelling of 55103010 in words is "fifty-five million, one hundred three thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 827 1654 2221 2481 4135 4442 4962 6663 8270 11105 12405 13326 22210 24810 33315 66630 1836767 3673534 5510301 9183835 11020602 18367670 27551505 55103010