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104019193 = 432101557
BaseRepresentation
bin1100011001100…
…11010011111001
321020201201111201
412030303103321
5203112103233
614153254201
72402101645
oct614632371
9236651451
10104019193
1153797183
122aa04361
1318720025
14db59c25
1591ea77d
hex63334f9

104019193 has 12 divisors (see below), whose sum is σ = 107741988. Its totient is φ = 100413600.

The previous prime is 104019187. The next prime is 104019199. The reversal of 104019193 is 391910401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104019187) and next prime (104019199).

It can be written as a sum of positive squares in 2 ways, for example, as 57274624 + 46744569 = 7568^2 + 6837^2 .

It is a de Polignac number, because none of the positive numbers 2k-104019193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104019199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186471 + ... + 187027.

It is an arithmetic number, because the mean of its divisors is an integer number (8978499).

Almost surely, 2104019193 is an apocalyptic number.

It is an amenable number.

104019193 is a deficient number, since it is larger than the sum of its proper divisors (3722795).

104019193 is an equidigital number, since it uses as much as digits as its factorization.

104019193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 104019193 is about 10198.9799980194. The cubic root of 104019193 is about 470.2958647177.

Adding to 104019193 its reverse (391910401), we get a palindrome (495929594).

The spelling of 104019193 in words is "one hundred four million, nineteen thousand, one hundred ninety-three".

Divisors: 1 43 101 557 1849 4343 23951 56257 186749 1029893 2419051 104019193