Search a number
-
+
104115143 = 11311013023
BaseRepresentation
bin1100011010010…
…10101111000111
321020220121010102
412031022233013
5203123141033
614155314315
72402651456
oct615125707
9236817112
10104115143
1153852280
122aa4b99b
13187548c2
14db82b9d
159218de8
hex634abc7

104115143 has 16 divisors (see below), whose sum is σ = 118444032. Its totient is φ = 90660000.

The previous prime is 104115131. The next prime is 104115197. The reversal of 104115143 is 341511401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 104115143 - 28 = 104114887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104115343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32930 + ... + 35952.

It is an arithmetic number, because the mean of its divisors is an integer number (7402752).

Almost surely, 2104115143 is an apocalyptic number.

104115143 is a deficient number, since it is larger than the sum of its proper divisors (14328889).

104115143 is a wasteful number, since it uses less digits than its factorization.

104115143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3166.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 104115143 is about 10203.6828155328. The cubic root of 104115143 is about 470.4404246438.

Adding to 104115143 its reverse (341511401), we get a palindrome (445626544).

The spelling of 104115143 in words is "one hundred four million, one hundred fifteen thousand, one hundred forty-three".

Divisors: 1 11 31 101 341 1111 3023 3131 33253 34441 93713 305323 1030843 3358553 9465013 104115143