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104115193 = 7131960217
BaseRepresentation
bin1100011010010…
…10101111111001
321020220121012021
412031022233321
5203123141233
614155314441
72402651560
oct615125771
9236817167
10104115193
1153852316
122aa4ba21
1318754930
14db82bd7
159218e2d
hex634abf9

104115193 has 16 divisors (see below), whose sum is σ = 134888320. Its totient is φ = 78039936.

The previous prime is 104115131. The next prime is 104115197. The reversal of 104115193 is 391511401.

It is not a de Polignac number, because 104115193 - 213 = 104107001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104115197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28380 + ... + 31837.

It is an arithmetic number, because the mean of its divisors is an integer number (8430520).

Almost surely, 2104115193 is an apocalyptic number.

104115193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

104115193 is a deficient number, since it is larger than the sum of its proper divisors (30773127).

104115193 is a wasteful number, since it uses less digits than its factorization.

104115193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60256.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 104115193 is about 10203.6852656283. The cubic root of 104115193 is about 470.4404999515.

Adding to 104115193 its reverse (391511401), we get a palindrome (495626594).

The spelling of 104115193 in words is "one hundred four million, one hundred fifteen thousand, one hundred ninety-three".

Divisors: 1 7 13 19 91 133 247 1729 60217 421519 782821 1144123 5479747 8008861 14873599 104115193