Base | Representation |
---|---|
bin | 10100100110000… |
… | …00000011000010 |
3 | 110001001202200121 |
4 | 22103000003002 |
5 | 323211044330 |
6 | 25050410454 |
7 | 4165243216 |
oct | 1223000302 |
9 | 401052617 |
10 | 172753090 |
11 | 89572a54 |
12 | 49a30a2a |
13 | 29a37483 |
14 | 18d2c946 |
15 | 1027617a |
hex | a4c00c2 |
172753090 has 16 divisors (see below), whose sum is σ = 318540600. Its totient is φ = 67415680.
The previous prime is 172753067. The next prime is 172753103. The reversal of 172753090 is 90357271.
It can be written as a sum of positive squares in 4 ways, for example, as 98465929 + 74287161 = 9923^2 + 8619^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210265 + ... + 211084.
Almost surely, 2172753090 is an apocalyptic number.
172753090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
172753090 is a deficient number, since it is larger than the sum of its proper divisors (145787510).
172753090 is a wasteful number, since it uses less digits than its factorization.
172753090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 421397.
The product of its (nonzero) digits is 13230, while the sum is 34.
The square root of 172753090 is about 13143.5569767092. The cubic root of 172753090 is about 556.9402534043.
The spelling of 172753090 in words is "one hundred seventy-two million, seven hundred fifty-three thousand, ninety".
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