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275420426 = 21317691367
BaseRepresentation
bin10000011010101…
…001010100001010
3201012020210210112
4100122221110022
51031001423201
643155114322
76553015001
oct2032512412
9635223715
10275420426
11131516496
12782a29a2
13450a3088
1428815c38
15192a60bb
hex106a950a

275420426 has 16 divisors (see below), whose sum is σ = 417130560. Its totient is φ = 136381440.

The previous prime is 275420413. The next prime is 275420443. The reversal of 275420426 is 624024572.

275420426 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2754204262 = 151712822116042952, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 275420392 and 275420401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200795 + ... + 202161.

It is an arithmetic number, because the mean of its divisors is an integer number (26070660).

Almost surely, 2275420426 is an apocalyptic number.

275420426 is a deficient number, since it is larger than the sum of its proper divisors (141710134).

275420426 is a wasteful number, since it uses less digits than its factorization.

275420426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 275420426 is about 16595.7954313736. The cubic root of 275420426 is about 650.6269501175.

Adding to 275420426 its reverse (624024572), we get a palindrome (899444998).

The spelling of 275420426 in words is "two hundred seventy-five million, four hundred twenty thousand, four hundred twenty-six".

Divisors: 1 2 131 262 769 1367 1538 2734 100739 179077 201478 358154 1051223 2102446 137710213 275420426