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105231396 = 2238769283
BaseRepresentation
bin1100100010110…
…11010000100100
321100000022100010
412101123100210
5203414401041
614235250220
72415311034
oct621332044
9240008303
10105231396
11544449a6
122b2a9970
1318a559ca
14dd938c4
159389a16
hex645b424

105231396 has 12 divisors (see below), whose sum is σ = 245539952. Its totient is φ = 35077128.

The previous prime is 105231361. The next prime is 105231403. The reversal of 105231396 is 693132501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1052313962 = 22147293408217632, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 4384630 + ... + 4384653.

Almost surely, 2105231396 is an apocalyptic number.

It is an amenable number.

105231396 is an abundant number, since it is smaller than the sum of its proper divisors (140308556).

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

105231396 is a wasteful number, since it uses less digits than its factorization.

105231396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8769290 (or 8769288 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 105231396 is about 10258.2355207901. The cubic root of 105231396 is about 472.1157010719.

Adding to 105231396 its reverse (693132501), we get a palindrome (798363897).

The spelling of 105231396 in words is "one hundred five million, two hundred thirty-one thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 8769283 17538566 26307849 35077132 52615698 105231396