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104987984 = 247192419
BaseRepresentation
bin1100100000111…
…11110101010000
321022112221102212
412100133311100
5203334103414
614230131252
72413245263
oct620376520
9238487385
10104987984
1154299032
122b1b0b28
131899bc8a
14dd2ccda
15933c83e
hex641fd50

104987984 has 20 divisors (see below), whose sum is σ = 206281440. Its totient is φ = 51754080.

The previous prime is 104987959. The next prime is 104987999. The reversal of 104987984 is 489789401.

It is a super-2 number, since 2×1049879842 = 22044953568768512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 45074 + ... + 47345.

It is an arithmetic number, because the mean of its divisors is an integer number (10314072).

Almost surely, 2104987984 is an apocalyptic number.

It is an amenable number.

104987984 is a deficient number, since it is larger than the sum of its proper divisors (101293456).

104987984 is an equidigital number, since it uses as much as digits as its factorization.

104987984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92498 (or 92492 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 104987984 is about 10246.3644284205. The cubic root of 104987984 is about 471.7514012147.

The spelling of 104987984 in words is "one hundred four million, nine hundred eighty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 16 71 142 284 568 1136 92419 184838 369676 739352 1478704 6561749 13123498 26246996 52493992 104987984