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105214050 = 232522291021
BaseRepresentation
bin1100100010101…
…11000001100010
321022222102112200
412101113001202
5203413322200
614235034030
72415206334
oct621270142
9238872480
10105214050
1154432967
122b29b916
1318a4ab46
14dd8b454
159384800
hex6457062

105214050 has 72 divisors (see below), whose sum is σ = 284187540. Its totient is φ = 27907200.

The previous prime is 105214049. The next prime is 105214073. The reversal of 105214050 is 50412501.

It can be written as a sum of positive squares in 6 ways, for example, as 69105969 + 36108081 = 8313^2 + 6009^2 .

It is a super-2 number, since 2×1052140502 = 22139992634805000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 35 ways as a sum of consecutive naturals, for example, 102540 + ... + 103560.

Almost surely, 2105214050 is an apocalyptic number.

105214050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105214050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142093770).

105214050 is an abundant number, since it is smaller than the sum of its proper divisors (178973490).

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

105214050 is a wasteful number, since it uses less digits than its factorization.

105214050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1268 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 105214050 is about 10257.3900189083. The cubic root of 105214050 is about 472.0897589758.

Adding to 105214050 its reverse (50412501), we get a palindrome (155626551).

The spelling of 105214050 in words is "one hundred five million, two hundred fourteen thousand, fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 229 450 458 687 1021 1145 1374 2042 2061 2290 3063 3435 4122 5105 5725 6126 6870 9189 10210 10305 11450 15315 17175 18378 20610 25525 30630 34350 45945 51050 51525 76575 91890 103050 153150 229725 233809 459450 467618 701427 1169045 1402854 2104281 2338090 3507135 4208562 5845225 7014270 10521405 11690450 17535675 21042810 35071350 52607025 105214050