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104981217 = 3113181249
BaseRepresentation
bin1100100000111…
…10001011100001
321022112121011020
412100132023201
5203333344332
614230040053
72413216455
oct620361341
9238477136
10104981217
1154293a40
122b1a9029
1318998b83
14dd2a665
15933a82c
hex641e2e1

104981217 has 8 divisors (see below), whose sum is σ = 152700000. Its totient is φ = 63624960.

The previous prime is 104981209. The next prime is 104981281. The reversal of 104981217 is 712189401.

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

It is not a de Polignac number, because 104981217 - 23 = 104981209 is a prime.

It is a super-2 number, since 2×1049812172 = 22042111845602178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 3181249 = 104981217 / (1 + 0 + 4 + 9 + 8 + 1 + 2 + 1 + 7).

It is not an unprimeable number, because it can be changed into a prime (104981917) 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, 1590592 + ... + 1590657.

It is an arithmetic number, because the mean of its divisors is an integer number (19087500).

Almost surely, 2104981217 is an apocalyptic number.

It is an amenable number.

104981217 is a deficient number, since it is larger than the sum of its proper divisors (47718783).

104981217 is a wasteful number, since it uses less digits than its factorization.

104981217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181263.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 104981217 is about 10246.0342084145. The cubic root of 104981217 is about 471.7412654188.

The spelling of 104981217 in words is "one hundred four million, nine hundred eighty-one thousand, two hundred seventeen".

Divisors: 1 3 11 33 3181249 9543747 34993739 104981217