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104731427 = 311336757
BaseRepresentation
bin1100011111000…
…01001100100011
321022001220111202
412033201030203
5203302401202
614220431415
72411126303
oct617411443
9238056452
10104731427
11541332a9
122b0a856b
131890c278
14dca3603
1592db802
hex63e1323

104731427 has 4 divisors (see below), whose sum is σ = 105068496. Its totient is φ = 104394360.

The previous prime is 104731409. The next prime is 104731433. The reversal of 104731427 is 724137401.

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 104731427 - 28 = 104731171 is a prime.

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 104731427.

It is not an unprimeable number, because it can be changed into a prime (104731447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168068 + ... + 168689.

It is an arithmetic number, because the mean of its divisors is an integer number (26267124).

Almost surely, 2104731427 is an apocalyptic number.

104731427 is a deficient number, since it is larger than the sum of its proper divisors (337069).

104731427 is an equidigital number, since it uses as much as digits as its factorization.

104731427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337068.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 104731427 is about 10233.8373545801. The cubic root of 104731427 is about 471.3668180120.

Adding to 104731427 its reverse (724137401), we get a palindrome (828868828).

The spelling of 104731427 in words is "one hundred four million, seven hundred thirty-one thousand, four hundred twenty-seven".

Divisors: 1 311 336757 104731427