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104731471 = 138056267
BaseRepresentation
bin1100011111000…
…01001101001111
321022001220120101
412033201031033
5203302401341
614220431531
72411126365
oct617411517
9238056511
10104731471
1154133339
122b0a85a7
131890c2b0
14dca3635
1592db831
hex63e134f

104731471 has 4 divisors (see below), whose sum is σ = 112787752. Its totient is φ = 96675192.

The previous prime is 104731447. The next prime is 104731481. The reversal of 104731471 is 174137401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 174137401 = 434049707.

It is a cyclic number.

It is not a de Polignac number, because 104731471 - 211 = 104729423 is a prime.

It is a super-3 number, since 3×1047314713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104731481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4028121 + ... + 4028146.

It is an arithmetic number, because the mean of its divisors is an integer number (28196938).

Almost surely, 2104731471 is an apocalyptic number.

104731471 is a deficient number, since it is larger than the sum of its proper divisors (8056281).

104731471 is an equidigital number, since it uses as much as digits as its factorization.

104731471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8056280.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 104731471 is about 10233.8395043112. The cubic root of 104731471 is about 471.3668840225.

Adding to 104731471 its reverse (174137401), we get a palindrome (278868872).

The spelling of 104731471 in words is "one hundred four million, seven hundred thirty-one thousand, four hundred seventy-one".

Divisors: 1 13 8056267 104731471