Base | Representation |
---|---|
bin | 1111010000001… |
… | …01100111000101 |
3 | 22220202111101020 |
4 | 13220011213011 |
5 | 230223334003 |
6 | 20410221353 |
7 | 3112356615 |
oct | 750054705 |
9 | 286674336 |
10 | 127949253 |
11 | 66251193 |
12 | 36a24859 |
13 | 2067b223 |
14 | 12dc8a45 |
15 | b375d53 |
hex | 7a059c5 |
127949253 has 8 divisors (see below), whose sum is σ = 178016448. Its totient is φ = 81590784.
The previous prime is 127949251. The next prime is 127949257. The reversal of 127949253 is 352949721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 127949253 - 21 = 127949251 is a prime.
It is a super-2 number, since 2×1279492532 = 32742022686516018, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127949251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927100 + ... + 927237.
It is an arithmetic number, because the mean of its divisors is an integer number (22252056).
Almost surely, 2127949253 is an apocalyptic number.
It is an amenable number.
127949253 is a deficient number, since it is larger than the sum of its proper divisors (50067195).
127949253 is a wasteful number, since it uses less digits than its factorization.
127949253 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1854363.
The product of its digits is 136080, while the sum is 42.
The square root of 127949253 is about 11311.4655549137. The cubic root of 127949253 is about 503.9018098903.
The spelling of 127949253 in words is "one hundred twenty-seven million, nine hundred forty-nine thousand, two hundred fifty-three".
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