Base | Representation |
---|---|
bin | 10100100000100… |
… | …10111100010110 |
3 | 102222201202002000 |
4 | 22100102330112 |
5 | 323020402204 |
6 | 25023300130 |
7 | 4156231110 |
oct | 1220227426 |
9 | 388652060 |
10 | 172044054 |
11 | 89129276 |
12 | 4974a646 |
13 | 29849820 |
14 | 18bc63b0 |
15 | 10186039 |
hex | a412f16 |
172044054 has 128 divisors (see below), whose sum is σ = 475668480. Its totient is φ = 44883072.
The previous prime is 172044011. The next prime is 172044073. The reversal of 172044054 is 450440271.
172044054 is a `hidden beast` number, since 172 + 0 + 440 + 54 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 771387 + ... + 771609.
It is an arithmetic number, because the mean of its divisors is an integer number (3716160).
Almost surely, 2172044054 is an apocalyptic number.
172044054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 172044054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237834240).
172044054 is an abundant number, since it is smaller than the sum of its proper divisors (303624426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
172044054 is a wasteful number, since it uses less digits than its factorization.
172044054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 411 (or 405 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 27.
The square root of 172044054 is about 13116.5564840777. The cubic root of 172044054 is about 556.1772527176.
The spelling of 172044054 in words is "one hundred seventy-two million, forty-four thousand, fifty-four".
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