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270138784 = 258441837
BaseRepresentation
bin10000000110011…
…111110110100000
3200211022110202011
4100012133312200
51023123420114
642450002304
76460066426
oct2006376640
9624273664
10270138784
111295392a3
1276576394
1343c74046
1427c3d116
1518ab11c4
hex1019fda0

270138784 has 12 divisors (see below), whose sum is σ = 531835794. Its totient is φ = 135069376.

The previous prime is 270138767. The next prime is 270138793. The reversal of 270138784 is 487831072.

270138784 is digitally balanced in base 3, 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 only one way, i.e., 153066384 + 117072400 = 12372^2 + 10820^2 .

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 as a sum of consecutive naturals, namely, 4220887 + ... + 4220950.

Almost surely, 2270138784 is an apocalyptic number.

It is an amenable number.

270138784 is a deficient number, since it is larger than the sum of its proper divisors (261697010).

270138784 is an equidigital number, since it uses as much as digits as its factorization.

270138784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441847 (or 8441839 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 270138784 is about 16435.8992452497. The cubic root of 270138784 is about 646.4411291756.

The spelling of 270138784 in words is "two hundred seventy million, one hundred thirty-eight thousand, seven hundred eighty-four".

Divisors: 1 2 4 8 16 32 8441837 16883674 33767348 67534696 135069392 270138784