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105739140 = 223513314373
BaseRepresentation
bin1100100110101…
…11001110000100
321100222002211110
412103113032010
5204032123030
614254205020
72422524243
oct623271604
9240862743
10105739140
1154761421
122b4b3770
1318ba2b50
141008695a
15943a1b0
hex64d7384

105739140 has 96 divisors (see below), whose sum is σ = 329204736. Its totient is φ = 25182720.

The previous prime is 105739129. The next prime is 105739141. The reversal of 105739140 is 41937501.

It is a super-2 number, since 2×1057391402 = 22361531455879200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 105739098 and 105739107.

It is not an unprimeable number, because it can be changed into a prime (105739141) 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 31 ways as a sum of consecutive naturals, for example, 21994 + ... + 26366.

It is an arithmetic number, because the mean of its divisors is an integer number (3429216).

Almost surely, 2105739140 is an apocalyptic number.

105739140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105739140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164602368).

105739140 is an abundant number, since it is smaller than the sum of its proper divisors (223465596).

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

105739140 is a wasteful number, since it uses less digits than its factorization.

105739140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4429 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 105739140 is about 10282.9538557751. The cubic root of 105739140 is about 472.8738062636.

The spelling of 105739140 in words is "one hundred five million, seven hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 124 130 155 156 186 195 260 310 372 390 403 465 620 780 806 930 1209 1612 1860 2015 2418 4030 4373 4836 6045 8060 8746 12090 13119 17492 21865 24180 26238 43730 52476 56849 65595 87460 113698 131190 135563 170547 227396 262380 271126 284245 341094 406689 542252 568490 677815 682188 813378 852735 1136980 1355630 1626756 1705470 1762319 2033445 2711260 3410940 3524638 4066890 5286957 7049276 8133780 8811595 10573914 17623190 21147828 26434785 35246380 52869570 105739140