Search a number
-
+
107731228 = 22112448437
BaseRepresentation
bin1100110101111…
…01100100011100
321111201022110111
412122331210130
5210034344403
614405015404
72445462133
oct632754434
9244638414
10107731228
11558a2080
12300b4564
131941c7b7
141044491a
1596d056d
hex66bd91c

107731228 has 12 divisors (see below), whose sum is σ = 205668792. Its totient is φ = 48968720.

The previous prime is 107731219. The next prime is 107731229. The reversal of 107731228 is 822137701.

It is a self number, because there is not a number n which added to its sum of digits gives 107731228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107731229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1224175 + ... + 1224262.

It is an arithmetic number, because the mean of its divisors is an integer number (17139066).

Almost surely, 2107731228 is an apocalyptic number.

It is an amenable number.

107731228 is a deficient number, since it is larger than the sum of its proper divisors (97937564).

107731228 is a wasteful number, since it uses less digits than its factorization.

107731228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448452 (or 2448450 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 107731228 is about 10379.3654912042. The cubic root of 107731228 is about 475.8249421003.

Adding to 107731228 its reverse (822137701), we get a palindrome (929868929).

The spelling of 107731228 in words is "one hundred seven million, seven hundred thirty-one thousand, two hundred twenty-eight".

Divisors: 1 2 4 11 22 44 2448437 4896874 9793748 26932807 53865614 107731228