Search a number
-
+
104536981 = 615033407
BaseRepresentation
bin1100011101100…
…01101110010101
321021201000210001
412032301232111
5203230140411
614212331301
72406356353
oct616615625
9237630701
10104536981
11540101aa
122b013b31
1318871903
14dc527d3
15929ddc1
hex63b1b95

104536981 has 8 divisors (see below), whose sum is σ = 106493184. Its totient is φ = 102588720.

The previous prime is 104536979. The next prime is 104537009. The reversal of 104536981 is 189635401.

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 104536981 - 21 = 104536979 is a prime.

It is a super-2 number, since 2×1045369812 = 21855960793188722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104536981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104536381) 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, 28980 + ... + 32386.

It is an arithmetic number, because the mean of its divisors is an integer number (13311648).

Almost surely, 2104536981 is an apocalyptic number.

It is an amenable number.

104536981 is a deficient number, since it is larger than the sum of its proper divisors (1956203).

104536981 is an equidigital number, since it uses as much as digits as its factorization.

104536981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 104536981 is about 10224.3327899673. The cubic root of 104536981 is about 471.0749216301.

The spelling of 104536981 in words is "one hundred four million, five hundred thirty-six thousand, nine hundred eighty-one".

Divisors: 1 61 503 3407 30683 207827 1713721 104536981