Base | Representation |
---|---|
bin | 1111010000010… |
… | …11100000101100 |
3 | 22220210201112022 |
4 | 13220023200230 |
5 | 230230122140 |
6 | 20410525312 |
7 | 3112520231 |
oct | 750134054 |
9 | 286721468 |
10 | 127973420 |
11 | 66268363 |
12 | 36a36838 |
13 | 20689223 |
14 | 12dd3788 |
15 | b37d0b5 |
hex | 7a0b82c |
127973420 has 12 divisors (see below), whose sum is σ = 268744224. Its totient is φ = 51189360.
The previous prime is 127973413. The next prime is 127973437. The reversal of 127973420 is 24379721.
It is a super-3 number, since 3×1279734203 (a number of 25 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3199316 + ... + 3199355.
It is an arithmetic number, because the mean of its divisors is an integer number (22395352).
Almost surely, 2127973420 is an apocalyptic number.
127973420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127973420 is an abundant number, since it is smaller than the sum of its proper divisors (140770804).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127973420 is a wasteful number, since it uses less digits than its factorization.
127973420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6398680 (or 6398678 counting only the distinct ones).
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 127973420 is about 11312.5337568557. The cubic root of 127973420 is about 503.9335334790.
The spelling of 127973420 in words is "one hundred twenty-seven million, nine hundred seventy-three thousand, four hundred twenty".
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