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105103550 = 25215113921
BaseRepresentation
bin1100100001111…
…00000010111110
321022202210222002
412100330002332
5203401303200
614232422302
72414236226
oct620740276
9238683862
10105103550
1154367942
122b247992
1318a0c766
14dd5d086
159361bd5
hex643c0be

105103550 has 24 divisors (see below), whose sum is σ = 196801392. Its totient is φ = 41760000.

The previous prime is 105103543. The next prime is 105103553. The reversal of 105103550 is 55301501.

It is a happy number.

It is a super-2 number, since 2×1051035502 = 22093512445205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105103553) 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 11 ways as a sum of consecutive naturals, for example, 590 + ... + 14510.

It is an arithmetic number, because the mean of its divisors is an integer number (8200058).

Almost surely, 2105103550 is an apocalyptic number.

105103550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105103550 is a deficient number, since it is larger than the sum of its proper divisors (91697842).

105103550 is a wasteful number, since it uses less digits than its factorization.

105103550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14084 (or 14079 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 105103550 is about 10252.0022434644. The cubic root of 105103550 is about 471.9244319076.

The spelling of 105103550 in words is "one hundred five million, one hundred three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 151 302 755 1510 3775 7550 13921 27842 69605 139210 348025 696050 2102071 4204142 10510355 21020710 52551775 105103550