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26132947 is a prime number
BaseRepresentation
bin110001110110…
…0000111010011
31211011200122221
41203230013103
523142223242
62332041511
7435061231
oct143540723
954150587
1026132947
111382a085
128903297
13554caa9
143683951
152463167
hex18ec1d3

26132947 has 2 divisors, whose sum is σ = 26132948. Its totient is φ = 26132946.

The previous prime is 26132941. The next prime is 26132971. The reversal of 26132947 is 74923162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26132947 - 27 = 26132819 is a prime.

It is not a weakly prime, because it can be changed into another prime (26132941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13066473 + 13066474.

It is an arithmetic number, because the mean of its divisors is an integer number (13066474).

Almost surely, 226132947 is an apocalyptic number.

26132947 is the 2733-rd centered heptagonal number.

26132947 is a deficient number, since it is larger than the sum of its proper divisors (1).

26132947 is an equidigital number, since it uses as much as digits as its factorization.

26132947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 26132947 is about 5112.0394169059. The cubic root of 26132947 is about 296.7536908917.

The spelling of 26132947 in words is "twenty-six million, one hundred thirty-two thousand, nine hundred forty-seven".