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105233820 = 22351753897
BaseRepresentation
bin1100100010110…
…11110110011100
321100000102122220
412101123312130
5203414440240
614235305340
72415321066
oct621336634
9240012586
10105233820
11544467aa
122b2ab250
1318a56b43
14dd94736
15938a5d0
hex645bd9c

105233820 has 24 divisors (see below), whose sum is σ = 294654864. Its totient is φ = 28062336.

The previous prime is 105233801. The next prime is 105233827. The reversal of 105233820 is 28332501.

It is a super-2 number, since 2×1052338202 = 22148313743584800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105233827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876889 + ... + 877008.

It is an arithmetic number, because the mean of its divisors is an integer number (12277286).

Almost surely, 2105233820 is an apocalyptic number.

105233820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105233820 is an abundant number, since it is smaller than the sum of its proper divisors (189421044).

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

105233820 is a wasteful number, since it uses less digits than its factorization.

105233820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753909 (or 1753907 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 105233820 is about 10258.3536690836. The cubic root of 105233820 is about 472.1193260980.

The spelling of 105233820 in words is "one hundred five million, two hundred thirty-three thousand, eight hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1753897 3507794 5261691 7015588 8769485 10523382 17538970 21046764 26308455 35077940 52616910 105233820