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26648001 = 33986963
BaseRepresentation
bin110010110100…
…1110111000001
31212010212012000
41211221313001
523310214001
62351054213
7442334652
oct145516701
955125160
1026648001
1114051046
128b11369
1356a0363
143779529
152515a86
hex1969dc1

26648001 has 8 divisors (see below), whose sum is σ = 39478560. Its totient is φ = 17765316.

The previous prime is 26647997. The next prime is 26648009. The reversal of 26648001 is 10084662.

It is not a de Polignac number, because 26648001 - 22 = 26647997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 986963 = 26648001 / (2 + 6 + 6 + 4 + 8 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (26648009) 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 in 7 ways as a sum of consecutive naturals, for example, 493455 + ... + 493508.

It is an arithmetic number, because the mean of its divisors is an integer number (4934820).

Almost surely, 226648001 is an apocalyptic number.

It is an amenable number.

26648001 is a deficient number, since it is larger than the sum of its proper divisors (12830559).

26648001 is an equidigital number, since it uses as much as digits as its factorization.

26648001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986972 (or 986966 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 26648001 is about 5162.1701831691. The cubic root of 26648001 is about 298.6905931607.

The spelling of 26648001 in words is "twenty-six million, six hundred forty-eight thousand, one".

Divisors: 1 3 9 27 986963 2960889 8882667 26648001