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104941989 = 3211660221
BaseRepresentation
bin1100100000101…
…00100110100101
321022110121100100
412100110212211
5203331120424
614225134313
72412664215
oct620244645
9238417310
10104941989
1154267519
122b18a399
1318984069
14dd1a245
15932ddc9
hex64149a5

104941989 has 6 divisors (see below), whose sum is σ = 151582886. Its totient is φ = 69961320.

The previous prime is 104941957. The next prime is 104941999. The reversal of 104941989 is 989149401.

It can be written as a sum of positive squares in only one way, i.e., 81757764 + 23184225 = 9042^2 + 4815^2 .

It is not a de Polignac number, because 104941989 - 25 = 104941957 is a prime.

It is a super-2 number, since 2×1049419892 = 22025642110552242, which contains 22 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 (104941999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5830102 + ... + 5830119.

Almost surely, 2104941989 is an apocalyptic number.

It is an amenable number.

104941989 is a deficient number, since it is larger than the sum of its proper divisors (46640897).

104941989 is a wasteful number, since it uses less digits than its factorization.

104941989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11660227 (or 11660224 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 104941989 is about 10244.1197279220. The cubic root of 104941989 is about 471.6825000754.

The spelling of 104941989 in words is "one hundred four million, nine hundred forty-one thousand, nine hundred eighty-nine".

Divisors: 1 3 9 11660221 34980663 104941989