Base | Representation |
---|---|
bin | 10100100000011… |
… | …11101000010101 |
3 | 102222201001110110 |
4 | 22100033220111 |
5 | 323014433420 |
6 | 25023113233 |
7 | 4156143414 |
oct | 1220175025 |
9 | 388631413 |
10 | 172030485 |
11 | 8911a060 |
12 | 49742819 |
13 | 298435b3 |
14 | 18bc147b |
15 | 10181ee0 |
hex | a40fa15 |
172030485 has 16 divisors (see below), whose sum is σ = 300271680. Its totient is φ = 83408640.
The previous prime is 172030459. The next prime is 172030493. The reversal of 172030485 is 584030271.
It is not a de Polignac number, because 172030485 - 213 = 172022293 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 521140 + ... + 521469.
It is an arithmetic number, because the mean of its divisors is an integer number (18766980).
Almost surely, 2172030485 is an apocalyptic number.
172030485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
172030485 is a deficient number, since it is larger than the sum of its proper divisors (128241195).
172030485 is a wasteful number, since it uses less digits than its factorization.
172030485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1042628.
The product of its (nonzero) digits is 6720, while the sum is 30.
The square root of 172030485 is about 13116.0392268398. The cubic root of 172030485 is about 556.1626305566.
The spelling of 172030485 in words is "one hundred seventy-two million, thirty thousand, four hundred eighty-five".
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