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270204913 = 11712771249
BaseRepresentation
bin10000000110101…
…111111111110001
3200211102211110101
4100012233333301
51023133024123
642451232401
76460463266
oct2006577761
9624384411
10270204913
11129583a50
12765a8701
1343c98184
1427c5926d
1518ac5aad
hex101afff1

270204913 has 16 divisors (see below), whose sum is σ = 300240000. Its totient is φ = 241113600.

The previous prime is 270204911. The next prime is 270204931. The reversal of 270204913 is 319402072.

It is a cyclic number.

It is not a de Polignac number, because 270204913 - 21 = 270204911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (270204911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215713 + ... + 216961.

It is an arithmetic number, because the mean of its divisors is an integer number (18765000).

Almost surely, 2270204913 is an apocalyptic number.

It is an amenable number.

270204913 is a deficient number, since it is larger than the sum of its proper divisors (30035087).

270204913 is a wasteful number, since it uses less digits than its factorization.

270204913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 270204913 is about 16437.9108465766. The cubic root of 270204913 is about 646.4938736909.

Adding to 270204913 its reverse (319402072), we get a palindrome (589606985).

The spelling of 270204913 in words is "two hundred seventy million, two hundred four thousand, nine hundred thirteen".

Divisors: 1 11 71 277 781 1249 3047 13739 19667 88679 216337 345973 975469 3805703 24564083 270204913