Base | Representation |
---|---|
bin | 1111001101001… |
… | …00101010001100 |
3 | 22220000022122100 |
4 | 13212210222030 |
5 | 230123132030 |
6 | 20353515100 |
7 | 3106114062 |
oct | 746445214 |
9 | 286008570 |
10 | 127552140 |
11 | 65aaa8a1 |
12 | 36872a90 |
13 | 2056c551 |
14 | 12d24032 |
15 | b2e8360 |
hex | 79a4a8c |
127552140 has 72 divisors (see below), whose sum is σ = 390394368. Its totient is φ = 33707520.
The previous prime is 127552133. The next prime is 127552151. The reversal of 127552140 is 41255721.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 17205 + ... + 23475.
It is an arithmetic number, because the mean of its divisors is an integer number (5422144).
Almost surely, 2127552140 is an apocalyptic number.
127552140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 127552140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195197184).
127552140 is an abundant number, since it is smaller than the sum of its proper divisors (262842228).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127552140 is a wasteful number, since it uses less digits than its factorization.
127552140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6399 (or 6394 counting only the distinct ones).
The product of its (nonzero) digits is 2800, while the sum is 27.
The square root of 127552140 is about 11293.8983526504. The cubic root of 127552140 is about 503.3799536758.
The spelling of 127552140 in words is "one hundred twenty-seven million, five hundred fifty-two thousand, one hundred forty".
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