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26288047 is a prime number
BaseRepresentation
bin110010001000…
…1111110101111
31211110120102101
41210101332233
523212204142
62335235531
7436305352
oct144217657
954416371
1026288047
1113925665
128978ba7
1355a5576
1436c4299
1524940b7
hex1911faf

26288047 has 2 divisors, whose sum is σ = 26288048. Its totient is φ = 26288046.

The previous prime is 26288033. The next prime is 26288071. The reversal of 26288047 is 74088262.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26288047 - 211 = 26285999 is a prime.

It is a super-2 number, since 2×262880472 = 1382122830148418, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26287997 and 26288015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26288027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144023 + 13144024.

It is an arithmetic number, because the mean of its divisors is an integer number (13144024).

Almost surely, 226288047 is an apocalyptic number.

26288047 is a deficient number, since it is larger than the sum of its proper divisors (1).

26288047 is an equidigital number, since it uses as much as digits as its factorization.

26288047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 26288047 is about 5127.1870455446. The cubic root of 26288047 is about 297.3396146070.

The spelling of 26288047 in words is "twenty-six million, two hundred eighty-eight thousand, forty-seven".