Base | Representation |
---|---|
bin | 1111001100110… |
… | …00000011001010 |
3 | 22212220200210101 |
4 | 13212120003022 |
5 | 230120003430 |
6 | 20352440014 |
7 | 3105510355 |
oct | 746300312 |
9 | 285820711 |
10 | 127500490 |
11 | 65a75007 |
12 | 3684900a |
13 | 20551ba0 |
14 | 12d0d29c |
15 | b2d7dca |
hex | 79980ca |
127500490 has 16 divisors (see below), whose sum is σ = 247155048. Its totient is φ = 47077056.
The previous prime is 127500467. The next prime is 127500497. The reversal of 127500490 is 94005721.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 105288121 + 22212369 = 10261^2 + 4713^2 .
It is not an unprimeable number, because it can be changed into a prime (127500497) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490257 + ... + 490516.
Almost surely, 2127500490 is an apocalyptic number.
127500490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127500490 is a deficient number, since it is larger than the sum of its proper divisors (119654558).
127500490 is a wasteful number, since it uses less digits than its factorization.
127500490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 980793.
The product of its (nonzero) digits is 2520, while the sum is 28.
The square root of 127500490 is about 11291.6114881801. The cubic root of 127500490 is about 503.3119995441.
The spelling of 127500490 in words is "one hundred twenty-seven million, five hundred thousand, four hundred ninety".
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