Base | Representation |
---|---|
bin | 10000000111111… |
… | …111001101100100 |
3 | 200212001022112200 |
4 | 100013333031210 |
5 | 1023223420010 |
6 | 42502214500 |
7 | 6463314252 |
oct | 2007771544 |
9 | 625038480 |
10 | 270529380 |
11 | 129785800 |
12 | 76724430 |
13 | 4407ca74 |
14 | 27d015d2 |
15 | 18b3bcc0 |
hex | 101ff364 |
270529380 has 108 divisors (see below), whose sum is σ = 902060796. Its totient is φ = 65577600.
The previous prime is 270529373. The next prime is 270529393. The reversal of 270529380 is 83925072.
It is a happy number.
270529380 is a `hidden beast` number, since 270 + 5 + 2 + 9 + 380 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 195776064 + 74753316 = 13992^2 + 8646^2 .
It is a super-2 number, since 2×2705293802 = 146372290886368800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 15570 + ... + 27990.
Almost surely, 2270529380 is an apocalyptic number.
270529380 is a gapful number since it is divisible by the number (20) 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 270529380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (451030398).
270529380 is an abundant number, since it is smaller than the sum of its proper divisors (631531416).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
270529380 is a wasteful number, since it uses less digits than its factorization.
270529380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12458 (or 12442 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 36.
The square root of 270529380 is about 16447.7773574426. Note that the first 3 decimals coincide. The cubic root of 270529380 is about 646.7525440679.
The spelling of 270529380 in words is "two hundred seventy million, five hundred twenty-nine thousand, three hundred eighty".
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