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105427224 = 2333731423
BaseRepresentation
bin1100100100010…
…11000100011000
321100101020222000
412102023010120
5203442132344
614243401000
72420055000
oct622130430
9240336860
10105427224
1154569041
122b383160
1318ac3b96
1410005000
1593c7a69
hex648b118

105427224 has 128 divisors (see below), whose sum is σ = 341760000. Its totient is φ = 30100896.

The previous prime is 105427213. The next prime is 105427237. The reversal of 105427224 is 422724501.

105427224 is a `hidden beast` number, since 10 + 5 + 427 + 224 = 666.

It is a super-2 number, since 2×1054272242 = 22229799120692352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73377 + ... + 74799.

It is an arithmetic number, because the mean of its divisors is an integer number (2670000).

Almost surely, 2105427224 is an apocalyptic number.

105427224 is a gapful number since it is divisible by the number (14) 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 105427224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170880000).

105427224 is an abundant number, since it is smaller than the sum of its proper divisors (236332776).

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

105427224 is a wasteful number, since it uses less digits than its factorization.

105427224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 105427224 is about 10267.7760006732. The cubic root of 105427224 is about 472.4083772963.

It can be divided in two parts, 10542 and 7224, that added together give a triangular number (17766 = T188).

The spelling of 105427224 in words is "one hundred five million, four hundred twenty-seven thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 84 98 108 126 147 168 189 196 216 252 294 343 378 392 441 504 588 686 756 882 1029 1176 1323 1372 1423 1512 1764 2058 2646 2744 2846 3087 3528 4116 4269 5292 5692 6174 8232 8538 9261 9961 10584 11384 12348 12807 17076 18522 19922 24696 25614 29883 34152 37044 38421 39844 51228 59766 69727 74088 76842 79688 89649 102456 119532 139454 153684 179298 209181 239064 268947 278908 307368 358596 418362 488089 537894 557816 627543 717192 836724 976178 1075788 1255086 1464267 1673448 1882629 1952356 2151576 2510172 2928534 3765258 3904712 4392801 5020344 5857068 7530516 8785602 11714136 13178403 15061032 17571204 26356806 35142408 52713612 105427224