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26091451 is a prime number
BaseRepresentation
bin110001110000…
…1111110111011
31211002120202001
41203201332323
523134411301
62331121431
7434526241
oct143417673
954076661
1026091451
1113800991
1288a3277
135536c39
143672791
152455c01
hex18e1fbb

26091451 has 2 divisors, whose sum is σ = 26091452. Its totient is φ = 26091450.

The previous prime is 26091449. The next prime is 26091463. The reversal of 26091451 is 15419062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26091451 - 21 = 26091449 is a prime.

Together with 26091449, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (26091421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13045725 + 13045726.

It is an arithmetic number, because the mean of its divisors is an integer number (13045726).

Almost surely, 226091451 is an apocalyptic number.

26091451 is a deficient number, since it is larger than the sum of its proper divisors (1).

26091451 is an equidigital number, since it uses as much as digits as its factorization.

26091451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 26091451 is about 5107.9791503098. The cubic root of 26091451 is about 296.5965378710.

The spelling of 26091451 in words is "twenty-six million, ninety-one thousand, four hundred fifty-one".