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104749071 = 3719833163
BaseRepresentation
bin1100011111001…
…01100000001111
321022002210201020
412033211200033
5203303432241
614221045223
72411231610
oct617454017
9238083636
10104749071
1154145589
122b0b6813
13189172cb
14dca9c07
1592e1b66
hex63e580f

104749071 has 32 divisors (see below), whose sum is σ = 170096640. Its totient is φ = 56005344.

The previous prime is 104749049. The next prime is 104749091. The reversal of 104749071 is 170947401.

It is not a de Polignac number, because 104749071 - 211 = 104747023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104749091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31536 + ... + 34698.

It is an arithmetic number, because the mean of its divisors is an integer number (5315520).

Almost surely, 2104749071 is an apocalyptic number.

104749071 is a deficient number, since it is larger than the sum of its proper divisors (65347569).

104749071 is a wasteful number, since it uses less digits than its factorization.

104749071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 104749071 is about 10234.6993605088. The cubic root of 104749071 is about 471.3932867596.

The spelling of 104749071 in words is "one hundred four million, seven hundred forty-nine thousand, seventy-one".

Divisors: 1 3 7 19 21 57 83 133 249 399 581 1577 1743 3163 4731 9489 11039 22141 33117 60097 66423 180291 262529 420679 787587 1262037 1837703 4988051 5513109 14964153 34916357 104749071