Base | Representation |
---|---|
bin | 1100100010001… |
… | …10001011011110 |
3 | 21022211220220021 |
4 | 12101012023132 |
5 | 203404120204 |
6 | 14233342354 |
7 | 2414501230 |
oct | 621061336 |
9 | 238756807 |
10 | 105145054 |
11 | 54396043 |
12 | 2b2679ba |
13 | 18a25611 |
14 | dd70250 |
15 | 936e154 |
hex | 64462de |
105145054 has 16 divisors (see below), whose sum is σ = 181627776. Its totient is φ = 44717400.
The previous prime is 105145013. The next prime is 105145081. The reversal of 105145054 is 450541501.
It is a happy number.
It is a super-2 number, since 2×1051450542 = 22110964761325832, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 26832 + ... + 30499.
It is an arithmetic number, because the mean of its divisors is an integer number (11351736).
Almost surely, 2105145054 is an apocalyptic number.
105145054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
105145054 is a deficient number, since it is larger than the sum of its proper divisors (76482722).
105145054 is a wasteful number, since it uses less digits than its factorization.
105145054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57471.
The product of its (nonzero) digits is 2000, while the sum is 25.
The square root of 105145054 is about 10254.0262336314. The cubic root of 105145054 is about 471.9865426356.
Adding to 105145054 its reverse (450541501), we get a palindrome (555686555).
The spelling of 105145054 in words is "one hundred five million, one hundred forty-five thousand, fifty-four".
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