Search a number
-
+
26197007 is a prime number
BaseRepresentation
bin110001111101…
…1110000001111
31211021221112112
41203323300033
523201301012
62333254235
7435446054
oct143736017
954257475
1026197007
1113873221
12893437b
135572cb5
14369d02b
152477122
hex18fbc0f

26197007 has 2 divisors, whose sum is σ = 26197008. Its totient is φ = 26197006.

The previous prime is 26196979. The next prime is 26197009. The reversal of 26197007 is 70079162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26197007 - 26 = 26196943 is a prime.

Together with 26197009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26197009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13098503 + 13098504.

It is an arithmetic number, because the mean of its divisors is an integer number (13098504).

Almost surely, 226197007 is an apocalyptic number.

26197007 is a deficient number, since it is larger than the sum of its proper divisors (1).

26197007 is an equidigital number, since it uses as much as digits as its factorization.

26197007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 26197007 is about 5118.3011830098. The cubic root of 26197007 is about 296.9959716338.

The spelling of 26197007 in words is "twenty-six million, one hundred ninety-seven thousand, seven".