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105049790 = 2541256219
BaseRepresentation
bin1100100001011…
…10111010111110
321022200002012222
412100232322332
5203343043130
614231325342
72413623416
oct620567276
9238602188
10105049790
115433050a
122b220852
13189c1151
14dd47646
159350ce5
hex642eebe

105049790 has 16 divisors (see below), whose sum is σ = 193702320. Its totient is φ = 40994880.

The previous prime is 105049787. The next prime is 105049807. The reversal of 105049790 is 97940501.

It is a super-2 number, since 2×1050497902 = 22070916758088200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105049790.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127700 + ... + 128519.

It is an arithmetic number, because the mean of its divisors is an integer number (12106395).

Almost surely, 2105049790 is an apocalyptic number.

105049790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105049790 is a deficient number, since it is larger than the sum of its proper divisors (88652530).

105049790 is a wasteful number, since it uses less digits than its factorization.

105049790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256267.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 105049790 is about 10249.3799812476. The cubic root of 105049790 is about 471.8439557665.

The spelling of 105049790 in words is "one hundred five million, forty-nine thousand, seven hundred ninety".

Divisors: 1 2 5 10 41 82 205 410 256219 512438 1281095 2562190 10504979 21009958 52524895 105049790