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105557088 = 25371343281
BaseRepresentation
bin1100100101010…
…10110001100000
321100121212002210
412102222301200
5204010311323
614250242120
72421135420
oct622526140
9240555083
10105557088
115464766a
122b426340
1318b3b020
141003a480
159401293
hex64aac60

105557088 has 192 divisors, whose sum is σ = 350203392. Its totient is φ = 27095040.

The previous prime is 105557087. The next prime is 105557117. The reversal of 105557088 is 880755501.

It is a super-2 number, since 2×1055570882 = 22284597654079488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105557087) 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 31 ways as a sum of consecutive naturals, for example, 375508 + ... + 375788.

It is an arithmetic number, because the mean of its divisors is an integer number (1823976).

Almost surely, 2105557088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105557088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175101696).

105557088 is an abundant number, since it is smaller than the sum of its proper divisors (244646304).

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

105557088 is a wasteful number, since it uses less digits than its factorization.

105557088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 39.

The square root of 105557088 is about 10274.0979166056. The cubic root of 105557088 is about 472.6022667137.

The spelling of 105557088 in words is "one hundred five million, five hundred fifty-seven thousand, eighty-eight".