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105682361 = 193547577
BaseRepresentation
bin1100100110010…
…01010110111001
321100212012221112
412103021112321
5204023313421
614253050105
72422166561
oct623112671
9240765845
10105682361
11547227a4
122b486935
1318b83055
141006dda1
15942845b
hex64c95b9

105682361 has 4 divisors (see below), whose sum is σ = 106230132. Its totient is φ = 105134592.

The previous prime is 105682337. The next prime is 105682399. The reversal of 105682361 is 163286501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36060025 + 69622336 = 6005^2 + 8344^2 .

It is a cyclic number.

It is not a de Polignac number, because 105682361 - 210 = 105681337 is a prime.

It is a super-2 number, since 2×1056823612 = 22337522853068642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105682301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 273596 + ... + 273981.

It is an arithmetic number, because the mean of its divisors is an integer number (26557533).

Almost surely, 2105682361 is an apocalyptic number.

It is an amenable number.

105682361 is a deficient number, since it is larger than the sum of its proper divisors (547771).

105682361 is an equidigital number, since it uses as much as digits as its factorization.

105682361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547770.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 105682361 is about 10280.1926538368. The cubic root of 105682361 is about 472.7891510481.

The spelling of 105682361 in words is "one hundred five million, six hundred eighty-two thousand, three hundred sixty-one".

Divisors: 1 193 547577 105682361