Base | Representation |
---|---|
bin | 10000010111010… |
… | …01101101110100 |
3 | 100120022011000211 |
4 | 20023221231310 |
5 | 240120202210 |
6 | 21342115204 |
7 | 3254536303 |
oct | 1013515564 |
9 | 316264024 |
10 | 137272180 |
11 | 70539691 |
12 | 39b7bb04 |
13 | 22593856 |
14 | 1433443a |
15 | c0b838a |
hex | 82e9b74 |
137272180 has 24 divisors (see below), whose sum is σ = 288587880. Its totient is φ = 54848640.
The previous prime is 137272147. The next prime is 137272237. The reversal of 137272180 is 81272731.
137272180 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 2108304 + 135163876 = 1452^2 + 11626^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17986 + ... + 24454.
It is an arithmetic number, because the mean of its divisors is an integer number (12024495).
Almost surely, 2137272180 is an apocalyptic number.
137272180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
137272180 is an abundant number, since it is smaller than the sum of its proper divisors (151315700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137272180 is a wasteful number, since it uses less digits than its factorization.
137272180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7539 (or 7537 counting only the distinct ones).
The product of its (nonzero) digits is 4704, while the sum is 31.
The square root of 137272180 is about 11716.3210949513. The cubic root of 137272180 is about 515.8548406857.
The spelling of 137272180 in words is "one hundred thirty-seven million, two hundred seventy-two thousand, one hundred eighty".
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