Base | Representation |
---|---|
bin | 10100100111110… |
… | …00001100011101 |
3 | 110001111110011100 |
4 | 22103320030131 |
5 | 323240424234 |
6 | 25055343313 |
7 | 4200221550 |
oct | 1223701435 |
9 | 401443140 |
10 | 172983069 |
11 | 8970a816 |
12 | 49b21b39 |
13 | 29ab805c |
14 | 18d8c697 |
15 | 102be399 |
hex | a4f831d |
172983069 has 48 divisors (see below), whose sum is σ = 307666944. Its totient is φ = 91476000.
The previous prime is 172983047. The next prime is 172983091. The reversal of 172983069 is 960389271.
172983069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (172983047) and next prime (172983091).
It is not a de Polignac number, because 172983069 - 25 = 172983037 is a prime.
It is a super-2 number, since 2×1729830692 = 59846284321317522, which contains 22 as substring.
It is a zygodrome in base 3.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (172983169) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42994 + ... + 46844.
It is an arithmetic number, because the mean of its divisors is an integer number (6409728).
Almost surely, 2172983069 is an apocalyptic number.
It is an amenable number.
172983069 is a deficient number, since it is larger than the sum of its proper divisors (134683875).
172983069 is a wasteful number, since it uses less digits than its factorization.
172983069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3918 (or 3915 counting only the distinct ones).
The product of its (nonzero) digits is 163296, while the sum is 45.
The square root of 172983069 is about 13152.3028021712. The cubic root of 172983069 is about 557.1872876091.
The spelling of 172983069 in words is "one hundred seventy-two million, nine hundred eighty-three thousand, sixty-nine".
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