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101422205 = 520284441
BaseRepresentation
bin1100000101110…
…01010001111101
321001211210002222
412002321101331
5201431002310
614021455125
72341034363
oct602712175
9231753088
10101422205
1152283005
1229b714a5
1318020c51
14d681633
158d86055
hex60b947d

101422205 has 4 divisors (see below), whose sum is σ = 121706652. Its totient is φ = 81137760.

The previous prime is 101422183. The next prime is 101422229. The reversal of 101422205 is 502224101.

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 15507844 + 85914361 = 3938^2 + 9269^2 .

It is not a de Polignac number, because 101422205 - 218 = 101160061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142216 + ... + 10142225.

It is an arithmetic number, because the mean of its divisors is an integer number (30426663).

Almost surely, 2101422205 is an apocalyptic number.

It is an amenable number.

101422205 is a deficient number, since it is larger than the sum of its proper divisors (20284447).

101422205 is an equidigital number, since it uses as much as digits as its factorization.

101422205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20284446.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 101422205 is about 10070.8591986980. The cubic root of 101422205 is about 466.3489637481.

Adding to 101422205 its reverse (502224101), we get a palindrome (603646306).

The spelling of 101422205 in words is "one hundred one million, four hundred twenty-two thousand, two hundred five".

Divisors: 1 5 20284441 101422205