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105542950 = 2522110859
BaseRepresentation
bin1100100101001…
…11010100100110
321100121010201011
412102213110212
5204004333300
614250052434
72421046252
oct622472446
9240533634
10105542950
1154637a87
122b41a11a
1318b34766
1410035262
1593ebeba
hex64a7526

105542950 has 12 divisors (see below), whose sum is σ = 196309980. Its totient is φ = 42217160.

The previous prime is 105542933. The next prime is 105542951. The reversal of 105542950 is 59245501.

It is a super-2 number, since 2×1055429502 = 22278628589405000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105542951) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1055380 + ... + 1055479.

It is an arithmetic number, because the mean of its divisors is an integer number (16359165).

Almost surely, 2105542950 is an apocalyptic number.

105542950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105542950 is a deficient number, since it is larger than the sum of its proper divisors (90767030).

105542950 is a wasteful number, since it uses less digits than its factorization.

105542950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110871 (or 2110866 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 105542950 is about 10273.4098526244. The cubic root of 105542950 is about 472.5811661280.

The spelling of 105542950 in words is "one hundred five million, five hundred forty-two thousand, nine hundred fifty".

Divisors: 1 2 5 10 25 50 2110859 4221718 10554295 21108590 52771475 105542950