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105628270 = 25114720431
BaseRepresentation
bin1100100101111…
…00001001101110
321100202110202011
412102330021232
5204020101040
614251551434
72421553066
oct622741156
9240673664
10105628270
11546960a0
122b45b57a
1318b64547
14100583a6
1594173ea
hex64bc26e

105628270 has 32 divisors (see below), whose sum is σ = 211838976. Its totient is φ = 37591200.

The previous prime is 105628267. The next prime is 105628279. The reversal of 105628270 is 72826501.

It is a super-2 number, since 2×1056282702 = 22314662846385800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105628279) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046 + ... + 15385.

It is an arithmetic number, because the mean of its divisors is an integer number (6619968).

Almost surely, 2105628270 is an apocalyptic number.

105628270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105628270 is an abundant number, since it is smaller than the sum of its proper divisors (106210706).

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

105628270 is a wasteful number, since it uses less digits than its factorization.

105628270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20496.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 105628270 is about 10277.5614812075. The cubic root of 105628270 is about 472.7084753262.

The spelling of 105628270 in words is "one hundred five million, six hundred twenty-eight thousand, two hundred seventy".

Divisors: 1 2 5 10 11 22 47 55 94 110 235 470 517 1034 2585 5170 20431 40862 102155 204310 224741 449482 960257 1123705 1920514 2247410 4801285 9602570 10562827 21125654 52814135 105628270