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105134556 = 2238761213
BaseRepresentation
bin1100100010000…
…11100111011100
321022211101111110
412101003213130
5203403301211
614233222020
72414425512
oct621034734
9238741443
10105134556
115438916a
122b261910
1318a208c7
14dd6a4b2
15936aea6
hex64439dc

105134556 has 12 divisors (see below), whose sum is σ = 245313992. Its totient is φ = 35044848.

The previous prime is 105134551. The next prime is 105134567. The reversal of 105134556 is 655431501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1051345562 = 22106549730634272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105134551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380595 + ... + 4380618.

Almost surely, 2105134556 is an apocalyptic number.

It is an amenable number.

105134556 is an abundant number, since it is smaller than the sum of its proper divisors (140179436).

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

105134556 is a wasteful number, since it uses less digits than its factorization.

105134556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8761220 (or 8761218 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 105134556 is about 10253.5143243670. The cubic root of 105134556 is about 471.9708339251.

The spelling of 105134556 in words is "one hundred five million, one hundred thirty-four thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 12 8761213 17522426 26283639 35044852 52567278 105134556