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105444730 = 2524143753
BaseRepresentation
bin1100100100011…
…11010101111010
321100102010222101
412102033111322
5203443212410
614244014014
72420160016
oct622172572
9240363871
10105444730
1154580206
122b39130a
1318acbb41
141000b546
1593ccd3a
hex648f57a

105444730 has 16 divisors (see below), whose sum is σ = 190592424. Its totient is φ = 42001920.

The previous prime is 105444721. The next prime is 105444739. The reversal of 105444730 is 37444501.

It is an interprime number because it is at equal distance from previous prime (105444721) and next prime (105444739).

It can be written as a sum of positive squares in 4 ways, for example, as 93257649 + 12187081 = 9657^2 + 3491^2 .

It is a super-2 number, since 2×1054447302 = 22237182169545800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105444739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19467 + ... + 24286.

Almost surely, 2105444730 is an apocalyptic number.

105444730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105444730 is a deficient number, since it is larger than the sum of its proper divisors (85147694).

105444730 is a wasteful number, since it uses less digits than its factorization.

105444730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44001.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 105444730 is about 10268.6284381119. The cubic root of 105444730 is about 472.4345233682.

The spelling of 105444730 in words is "one hundred five million, four hundred forty-four thousand, seven hundred thirty".

Divisors: 1 2 5 10 241 482 1205 2410 43753 87506 218765 437530 10544473 21088946 52722365 105444730