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104609131 = 1118152541
BaseRepresentation
bin1100011110000…
…11010101101011
321021211200202021
412033003111223
5203234443011
614214045311
72410106614
oct617032553
9237750667
10104609131
115405a430
122b049837
13188986c3
14dc70c0b
1592b5471
hex63c356b

104609131 has 8 divisors (see below), whose sum is σ = 114751728. Its totient is φ = 94572000.

The previous prime is 104609111. The next prime is 104609137. The reversal of 104609131 is 131906401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 104609131 - 29 = 104608619 is a prime.

It is a super-2 number, since 2×1046091312 = 21886140577150322, 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 = 104609096 and 104609105.

It is not an unprimeable number, because it can be changed into a prime (104609137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24280 + ... + 28261.

It is an arithmetic number, because the mean of its divisors is an integer number (14343966).

Almost surely, 2104609131 is an apocalyptic number.

104609131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

104609131 is a deficient number, since it is larger than the sum of its proper divisors (10142597).

104609131 is a wasteful number, since it uses less digits than its factorization.

104609131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52733.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 104609131 is about 10227.8605289669. The cubic root of 104609131 is about 471.1832732039.

It can be divided in two parts, 10460 and 9131, that added together give a palindrome (19591).

The spelling of 104609131 in words is "one hundred four million, six hundred nine thousand, one hundred thirty-one".

Divisors: 1 11 181 1991 52541 577951 9509921 104609131