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105707172 = 22323449853
BaseRepresentation
bin1100100110011…
…11011010100100
321100220110222110
412103033122210
5204030112142
614253401020
72422332114
oct623173244
9240813873
10105707172
115473a3aa
122b499170
1318b9142c
1410079044
15943099c
hex64cf6a4

105707172 has 48 divisors (see below), whose sum is σ = 258249600. Its totient is φ = 33589248.

The previous prime is 105707171. The next prime is 105707213. The reversal of 105707172 is 271707501.

It is a super-2 number, since 2×1057071722 = 22348012424475168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105707171) 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, 123498 + ... + 124350.

It is an arithmetic number, because the mean of its divisors is an integer number (5380200).

Almost surely, 2105707172 is an apocalyptic number.

105707172 is a gapful number since it is divisible by the number (12) 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 105707172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129124800).

105707172 is an abundant number, since it is smaller than the sum of its proper divisors (152542428).

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

105707172 is a wasteful number, since it uses less digits than its factorization.

105707172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 3430, while the sum is 30.

The square root of 105707172 is about 10281.3993211041. The cubic root of 105707172 is about 472.8261469846.

The spelling of 105707172 in words is "one hundred five million, seven hundred seven thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 449 853 898 1347 1706 1796 2559 2694 3412 5118 5388 10236 10327 19619 20654 30981 39238 41308 58857 61962 78476 117714 123924 235428 382997 765994 1148991 1531988 2297982 4595964 8808931 17617862 26426793 35235724 52853586 105707172