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105443650 = 25213162221
BaseRepresentation
bin1100100100011…
…11000101000010
321100102002111101
412102033011002
5203443144100
614244005014
72420153614
oct622170502
9240362441
10105443650
115457a414
122b39076a
1318acb4c0
141000adb4
1593cc86a
hex648f142

105443650 has 24 divisors (see below), whose sum is σ = 211213044. Its totient is φ = 38932800.

The previous prime is 105443629. The next prime is 105443671. The reversal of 105443650 is 56344501.

It is an interprime number because it is at equal distance from previous prime (105443629) and next prime (105443671).

It can be written as a sum of positive squares in 6 ways, for example, as 28933641 + 76510009 = 5379^2 + 8747^2 .

It is a super-2 number, since 2×1054436502 = 22236726650645000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80461 + ... + 81760.

Almost surely, 2105443650 is an apocalyptic number.

105443650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105443650 is an abundant number, since it is smaller than the sum of its proper divisors (105769394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105443650 is a wasteful number, since it uses less digits than its factorization.

105443650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162246 (or 162241 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 105443650 is about 10268.5758506231. The cubic root of 105443650 is about 472.4329104189.

The spelling of 105443650 in words is "one hundred five million, four hundred forty-three thousand, six hundred fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 162221 324442 811105 1622210 2108873 4055525 4217746 8111050 10544365 21088730 52721825 105443650