Search a number
-
+
103444031 = 176084943
BaseRepresentation
bin1100010101001…
…10111000111111
321012122111112102
412022212320333
5202440202111
614133055315
72364155045
oct612467077
9235574472
10103444031
1153434039
122a78753b
131857b2b2
14da4a395
15913513b
hex62a6e3f

103444031 has 4 divisors (see below), whose sum is σ = 109528992. Its totient is φ = 97359072.

The previous prime is 103444027. The next prime is 103444043. The reversal of 103444031 is 130444301.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103444031 - 22 = 103444027 is a prime.

It is a super-2 number, since 2×1034440312 = 21401335099057922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103443994 and 103444012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103444021) 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, 3042455 + ... + 3042488.

It is an arithmetic number, because the mean of its divisors is an integer number (27382248).

Almost surely, 2103444031 is an apocalyptic number.

103444031 is a deficient number, since it is larger than the sum of its proper divisors (6084961).

103444031 is an equidigital number, since it uses as much as digits as its factorization.

103444031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6084960.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103444031 is about 10170.7438764330. The cubic root of 103444031 is about 469.4274467563.

Adding to 103444031 its reverse (130444301), we get a palindrome (233888332).

The spelling of 103444031 in words is "one hundred three million, four hundred forty-four thousand, thirty-one".

Divisors: 1 17 6084943 103444031