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105680122 = 252840061
BaseRepresentation
bin1100100110010…
…00110011111010
321100212002212121
412103020303322
5204023230442
614253031454
72422160212
oct623106372
9240762777
10105680122
1154721049
122b48558a
1318b82022
141006d242
159427967
hex64c8cfa

105680122 has 4 divisors (see below), whose sum is σ = 158520186. Its totient is φ = 52840060.

The previous prime is 105680087. The next prime is 105680123. The reversal of 105680122 is 221086501.

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

It can be written as a sum of positive squares in only one way, i.e., 104427961 + 1252161 = 10219^2 + 1119^2 .

It is a super-2 number, since 2×1056801222 = 22336576371869768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105680123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26420029 + ... + 26420032.

Almost surely, 2105680122 is an apocalyptic number.

105680122 is a deficient number, since it is larger than the sum of its proper divisors (52840064).

105680122 is an equidigital number, since it uses as much as digits as its factorization.

105680122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52840063.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 105680122 is about 10280.0837545226. The cubic root of 105680122 is about 472.7858121674.

The spelling of 105680122 in words is "one hundred five million, six hundred eighty thousand, one hundred twenty-two".

Divisors: 1 2 52840061 105680122