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105415319 = 293635011
BaseRepresentation
bin1100100100010…
…00001010010111
321100100122122002
412102020022113
5203441242234
614243225515
72420005202
oct622101227
9240318562
10105415319
11545600a9
122b37829b
1318abb639
1410000939
1593c427e
hex6488297

105415319 has 4 divisors (see below), whose sum is σ = 109050360. Its totient is φ = 101780280.

The previous prime is 105415267. The next prime is 105415337. The reversal of 105415319 is 913514501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 913514501 = 1905147951.

It is a cyclic number.

It is not a de Polignac number, because 105415319 - 224 = 88638103 is a prime.

It is a super-2 number, since 2×1054153192 = 22224778959743522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 3635011 = 105415319 / (1 + 0 + 5 + 4 + 1 + 5 + 3 + 1 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105415291 and 105415300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105415339) 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 3 ways as a sum of consecutive naturals, for example, 1817477 + ... + 1817534.

It is an arithmetic number, because the mean of its divisors is an integer number (27262590).

Almost surely, 2105415319 is an apocalyptic number.

105415319 is a deficient number, since it is larger than the sum of its proper divisors (3635041).

105415319 is an equidigital number, since it uses as much as digits as its factorization.

105415319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3635040.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 105415319 is about 10267.1962579859. The cubic root of 105415319 is about 472.3905949398.

The spelling of 105415319 in words is "one hundred five million, four hundred fifteen thousand, three hundred nineteen".

Divisors: 1 29 3635011 105415319