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105057770 = 2510505777
BaseRepresentation
bin1100100001100…
…00110111101010
321022200111011112
412100300313222
5203343322040
614231430322
72413655606
oct620606752
9238614145
10105057770
1154336504
122b2253a2
13189c497c
14dd4a506
159353365
hex6430dea

105057770 has 8 divisors (see below), whose sum is σ = 189104004. Its totient is φ = 42023104.

The previous prime is 105057769. The next prime is 105057793. The reversal of 105057770 is 77750501.

It can be written as a sum of positive squares in 2 ways, for example, as 89510521 + 15547249 = 9461^2 + 3943^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1050577702 = 22074270074745800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252879 + ... + 5252898.

Almost surely, 2105057770 is an apocalyptic number.

105057770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105057770 is a deficient number, since it is larger than the sum of its proper divisors (84046234).

105057770 is a wasteful number, since it uses less digits than its factorization.

105057770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505784.

The product of its (nonzero) digits is 8575, while the sum is 32.

The square root of 105057770 is about 10249.7692656957. The cubic root of 105057770 is about 471.8559031787.

The spelling of 105057770 in words is "one hundred five million, fifty-seven thousand, seven hundred seventy".

Divisors: 1 2 5 10 10505777 21011554 52528885 105057770