Base | Representation |
---|---|
bin | 10100100000110… |
… | …01110001101001 |
3 | 102222210011110120 |
4 | 22100121301221 |
5 | 323022301131 |
6 | 25024033453 |
7 | 4156405521 |
oct | 1220316151 |
9 | 388704416 |
10 | 172072041 |
11 | 891482a9 |
12 | 49762889 |
13 | 2985949b |
14 | 18bd2681 |
15 | 1018e496 |
hex | a419c69 |
172072041 has 16 divisors (see below), whose sum is σ = 237232128. Its totient is φ = 110826000.
The previous prime is 172072027. The next prime is 172072049. The reversal of 172072041 is 140270271.
It is not a de Polignac number, because 172072041 - 211 = 172069993 is a prime.
It is a super-3 number, since 3×1720720413 (a number of 26 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (172072049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72016 + ... + 74366.
It is an arithmetic number, because the mean of its divisors is an integer number (14827008).
Almost surely, 2172072041 is an apocalyptic number.
It is an amenable number.
172072041 is a deficient number, since it is larger than the sum of its proper divisors (65160087).
172072041 is a wasteful number, since it uses less digits than its factorization.
172072041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3172.
The product of its (nonzero) digits is 784, while the sum is 24.
The square root of 172072041 is about 13117.6232984485. The cubic root of 172072041 is about 556.2074095068.
The spelling of 172072041 in words is "one hundred seventy-two million, seventy-two thousand, forty-one".
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