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105331142 = 27113139479
BaseRepresentation
bin1100100011100…
…11100111000110
321100012101011102
412101303213012
5203431044032
614241340102
72416204610
oct621634706
9240171142
10105331142
1154502934
122b337632
1318a8c227
14ddbbdb0
1593a9362
hex64739c6

105331142 has 32 divisors (see below), whose sum is σ = 183859200. Its totient is φ = 44327808.

The previous prime is 105331129. The next prime is 105331159. The reversal of 105331142 is 241133501.

It is a super-2 number, since 2×1053311422 = 22189298950048328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219659 + ... + 220137.

It is an arithmetic number, because the mean of its divisors is an integer number (5745600).

Almost surely, 2105331142 is an apocalyptic number.

105331142 is a deficient number, since it is larger than the sum of its proper divisors (78528058).

105331142 is a wasteful number, since it uses less digits than its factorization.

105331142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 105331142 is about 10263.0961215415. The cubic root of 105331142 is about 472.2648225426.

Adding to 105331142 its reverse (241133501), we get a palindrome (346464643).

The spelling of 105331142 in words is "one hundred five million, three hundred thirty-one thousand, one hundred forty-two".

Divisors: 1 2 7 14 113 139 226 278 479 791 958 973 1582 1946 3353 6706 15707 31414 54127 66581 108254 109949 133162 219898 378889 466067 757778 932134 7523653 15047306 52665571 105331142