Base | Representation |
---|---|
bin | 10100100110101… |
… | …01100001011110 |
3 | 110001020020100112 |
4 | 22103111201132 |
5 | 323221403204 |
6 | 25052330022 |
7 | 4166060531 |
oct | 1223254136 |
9 | 401206315 |
10 | 172841054 |
11 | 89623051 |
12 | 49a73912 |
13 | 29a68519 |
14 | 18d52a18 |
15 | 1029226e |
hex | a4d585e |
172841054 has 4 divisors (see below), whose sum is σ = 259261584. Its totient is φ = 86420526.
The previous prime is 172841033. The next prime is 172841083. The reversal of 172841054 is 450148271.
It is a happy number.
172841054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 450148271 = 661 ⋅681011.
It is a self number, because there is not a number n which added to its sum of digits gives 172841054.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43210262 + ... + 43210265.
It is an arithmetic number, because the mean of its divisors is an integer number (64815396).
Almost surely, 2172841054 is an apocalyptic number.
172841054 is a deficient number, since it is larger than the sum of its proper divisors (86420530).
172841054 is an equidigital number, since it uses as much as digits as its factorization.
172841054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86420529.
The product of its (nonzero) digits is 8960, while the sum is 32.
The square root of 172841054 is about 13146.9028291838. The cubic root of 172841054 is about 557.0347666769.
The spelling of 172841054 in words is "one hundred seventy-two million, eight hundred forty-one thousand, fifty-four".
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