Base | Representation |
---|---|
bin | 10000010101011… |
… | …111001011010100 |
3 | 201002201002212100 |
4 | 100111133023110 |
5 | 1030130140210 |
6 | 43110122100 |
7 | 6535353411 |
oct | 2025371324 |
9 | 632632770 |
10 | 274068180 |
11 | 130782531 |
12 | 77950330 |
13 | 44a1b729 |
14 | 28583108 |
15 | 190da5c0 |
hex | 1055f2d4 |
274068180 has 36 divisors (see below), whose sum is σ = 831340692. Its totient is φ = 73084800.
The previous prime is 274068167. The next prime is 274068187. The reversal of 274068180 is 81860472.
It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 222487056 = 7182^2 + 14916^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a super-2 number, since 2×2740681802 = 150226734577024800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (274068187) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 761121 + ... + 761480.
It is an arithmetic number, because the mean of its divisors is an integer number (23092797).
Almost surely, 2274068180 is an apocalyptic number.
274068180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
274068180 is an abundant number, since it is smaller than the sum of its proper divisors (557272512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
274068180 is a wasteful number, since it uses less digits than its factorization.
274068180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1522616 (or 1522611 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 274068180 is about 16555.0046813645. The cubic root of 274068180 is about 649.5603970382.
The spelling of 274068180 in words is "two hundred seventy-four million, sixty-eight thousand, one hundred eighty".
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