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105510061 = 449234989
BaseRepresentation
bin1100100100111…
…11010010101101
321100112110121001
412102133102231
5204002310221
614245240301
72420551336
oct622372255
9240473531
10105510061
11546152a8
122b403091
1318b227b7
141002728d
1593e2391
hex649f4ad

105510061 has 4 divisors (see below), whose sum is σ = 105745500. Its totient is φ = 105274624.

The previous prime is 105510043. The next prime is 105510073. The reversal of 105510061 is 160015501.

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 71064900 + 34445161 = 8430^2 + 5869^2 .

It is a cyclic number.

It is not a de Polignac number, because 105510061 - 217 = 105378989 is a prime.

It is a super-2 number, since 2×1055100612 = 22264745944447442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105510001) 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, 117046 + ... + 117943.

It is an arithmetic number, because the mean of its divisors is an integer number (26436375).

Almost surely, 2105510061 is an apocalyptic number.

It is an amenable number.

105510061 is a deficient number, since it is larger than the sum of its proper divisors (235439).

105510061 is an equidigital number, since it uses as much as digits as its factorization.

105510061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235438.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 105510061 is about 10271.8090422282. The cubic root of 105510061 is about 472.5320728861.

Adding to 105510061 its reverse (160015501), we get a palindrome (265525562).

The spelling of 105510061 in words is "one hundred five million, five hundred ten thousand, sixty-one".

Divisors: 1 449 234989 105510061