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105455172 = 22361714243
BaseRepresentation
bin1100100100100…
…01111001000100
321100102200022010
412102101321010
5203444031142
614244134220
72420232324
oct622217104
9240380263
10105455172
1154588039
122b397370
1318b03814
1410011284
1593d0e9c
hex6491e44

105455172 has 24 divisors (see below), whose sum is σ = 246478176. Its totient is φ = 35092288.

The previous prime is 105455171. The next prime is 105455183. The reversal of 105455172 is 271554501.

It is a super-2 number, since 2×1054551722 = 22241586603099168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105455171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283 + ... + 14525.

It is an arithmetic number, because the mean of its divisors is an integer number (10269924).

Almost surely, 2105455172 is an apocalyptic number.

105455172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105455172 is an abundant number, since it is smaller than the sum of its proper divisors (141023004).

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

105455172 is a wasteful number, since it uses less digits than its factorization.

105455172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14867 (or 14865 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 30.

The square root of 105455172 is about 10269.1368673321. The cubic root of 105455172 is about 472.4501176309.

The spelling of 105455172 in words is "one hundred five million, four hundred fifty-five thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 617 1234 1851 2468 3702 7404 14243 28486 42729 56972 85458 170916 8787931 17575862 26363793 35151724 52727586 105455172