Base | Representation |
---|---|
bin | 1100100110110… |
… | …01101111001110 |
3 | 21100222121222110 |
4 | 12103121233032 |
5 | 204032440304 |
6 | 14254324450 |
7 | 2422566306 |
oct | 623315716 |
9 | 240877873 |
10 | 105749454 |
11 | 54769148 |
12 | 2b4b9726 |
13 | 18ba7755 |
14 | 1008a606 |
15 | 943d289 |
hex | 64d9bce |
105749454 has 16 divisors (see below), whose sum is σ = 211911120. Its totient is φ = 35181120.
The previous prime is 105749453. The next prime is 105749467. The reversal of 105749454 is 454947501.
It is a super-2 number, since 2×1057494542 = 22365894042596232, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (105749453) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13789 + ... + 20040.
It is an arithmetic number, because the mean of its divisors is an integer number (13244445).
Almost surely, 2105749454 is an apocalyptic number.
105749454 is an abundant number, since it is smaller than the sum of its proper divisors (106161666).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
105749454 is a wasteful number, since it uses less digits than its factorization.
105749454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34355.
The product of its (nonzero) digits is 100800, while the sum is 39.
The square root of 105749454 is about 10283.4553531388. The cubic root of 105749454 is about 472.8891807719.
The spelling of 105749454 in words is "one hundred five million, seven hundred forty-nine thousand, four hundred fifty-four".
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