Base | Representation |
---|---|
bin | 1111001110100… |
… | …11110011001110 |
3 | 22220101010111211 |
4 | 13213103303032 |
5 | 230200321410 |
6 | 20402005034 |
7 | 3110550034 |
oct | 747236316 |
9 | 286333454 |
10 | 127745230 |
11 | 66121978 |
12 | 3694677a |
13 | 206093c2 |
14 | 12d74554 |
15 | b33568a |
hex | 79d3cce |
127745230 has 8 divisors (see below), whose sum is σ = 229941432. Its totient is φ = 51098088.
The previous prime is 127745213. The next prime is 127745231. The reversal of 127745230 is 32547721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 127745192 and 127745201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127745231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6387252 + ... + 6387271.
It is an arithmetic number, because the mean of its divisors is an integer number (28742679).
Almost surely, 2127745230 is an apocalyptic number.
127745230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
127745230 is a deficient number, since it is larger than the sum of its proper divisors (102196202).
127745230 is a wasteful number, since it uses less digits than its factorization.
127745230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12774530.
The product of its (nonzero) digits is 11760, while the sum is 31.
The square root of 127745230 is about 11302.4435411109. The cubic root of 127745230 is about 503.6338332008.
The spelling of 127745230 in words is "one hundred twenty-seven million, seven hundred forty-five thousand, two hundred thirty".
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