Base | Representation |
---|---|
bin | 1101000010111… |
… | …10011111101010 |
3 | 21121221002000121 |
4 | 12201132133222 |
5 | 211004021304 |
6 | 14505353454 |
7 | 2466134002 |
oct | 641363752 |
9 | 247832017 |
10 | 109438954 |
11 | 56859119 |
12 | 3079888a |
13 | 19899ba1 |
14 | 1076b002 |
15 | 991b554 |
hex | 685e7ea |
109438954 has 8 divisors (see below), whose sum is σ = 165784068. Its totient is φ = 54177600.
The previous prime is 109438951. The next prime is 109438957. The reversal of 109438954 is 459834901.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (109438951) and next prime (109438957).
It can be written as a sum of positive squares in 2 ways, for example, as 66863329 + 42575625 = 8177^2 + 6525^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×1094389542 = 23953769305228232, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 109438954.
It is not an unprimeable number, because it can be changed into a prime (109438951) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270687 + ... + 271090.
Almost surely, 2109438954 is an apocalyptic number.
109438954 is a deficient number, since it is larger than the sum of its proper divisors (56345114).
109438954 is a wasteful number, since it uses less digits than its factorization.
109438954 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 541880.
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 109438954 is about 10461.3074708662. The cubic root of 109438954 is about 478.3259886559.
The spelling of 109438954 in words is "one hundred nine million, four hundred thirty-eight thousand, nine hundred fifty-four".
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