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104343161 = 1317227773
BaseRepresentation
bin1100011100000…
…10011001111001
321021100011220112
412032002121321
5203202440121
614204234105
72404621316
oct616023171
9237304815
10104343161
115399861a
122ab3b935
1318804620
14dc01d0d
15926175b
hex6382679

104343161 has 12 divisors (see below), whose sum is σ = 119372652. Its totient is φ = 90647808.

The previous prime is 104343143. The next prime is 104343181. The reversal of 104343161 is 161343401.

It can be written as a sum of positive squares in 6 ways, for example, as 2958400 + 101384761 = 1720^2 + 10069^2 .

It is a de Polignac number, because none of the positive numbers 2k-104343161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104343181) 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 11 ways as a sum of consecutive naturals, for example, 10130 + ... + 17643.

It is an arithmetic number, because the mean of its divisors is an integer number (9947721).

Almost surely, 2104343161 is an apocalyptic number.

It is an amenable number.

104343161 is a deficient number, since it is larger than the sum of its proper divisors (15029491).

104343161 is a wasteful number, since it uses less digits than its factorization.

104343161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27820 (or 27803 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 104343161 is about 10214.8500233728. The cubic root of 104343161 is about 470.7836045390.

Adding to 104343161 its reverse (161343401), we get a palindrome (265686562).

The spelling of 104343161 in words is "one hundred four million, three hundred forty-three thousand, one hundred sixty-one".

Divisors: 1 13 17 221 289 3757 27773 361049 472141 6137833 8026397 104343161