Search a number
-
+
38161100 = 22522913159
BaseRepresentation
bin1001000110010…
…0101011001100
32122210210012002
42101210223030
534232123400
63441531432
7642235565
oct221445314
978723162
1038161100
111a5a4aaa
1210943b78
137ba1843
1450d516c
15353bed5
hex2464acc

38161100 has 36 divisors (see below), whose sum is σ = 85671600. Its totient is φ = 14736960.

The previous prime is 38161091. The next prime is 38161103. The reversal of 38161100 is 116183.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (38161103) 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 11 ways as a sum of consecutive naturals, for example, 3680 + ... + 9479.

Almost surely, 238161100 is an apocalyptic number.

It is an amenable number.

38161100 is an abundant number, since it is smaller than the sum of its proper divisors (47510500).

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

38161100 is a wasteful number, since it uses less digits than its factorization.

38161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13202 (or 13195 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 38161100 is about 6177.4671184880. The cubic root of 38161100 is about 336.6719710739.

Adding to 38161100 its reverse (116183), we get a palindrome (38277283).

The spelling of 38161100 in words is "thirty-eight million, one hundred sixty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 145 290 580 725 1450 2900 13159 26318 52636 65795 131590 263180 328975 381611 657950 763222 1315900 1526444 1908055 3816110 7632220 9540275 19080550 38161100