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26280097 = 194729429
BaseRepresentation
bin110010001000…
…0000010100001
31211110011111221
41210100002201
523211430342
62335135041
7436243234
oct144200241
954404457
1026280097
111391a698
128974481
1355a1a6c
1436c141b
152491a67
hex19100a1

26280097 has 8 divisors (see below), whose sum is σ = 28252800. Its totient is φ = 24366384.

The previous prime is 26280091. The next prime is 26280127. The reversal of 26280097 is 79008262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26280097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26280091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13822 + ... + 15607.

It is an arithmetic number, because the mean of its divisors is an integer number (3531600).

Almost surely, 226280097 is an apocalyptic number.

It is an amenable number.

26280097 is a deficient number, since it is larger than the sum of its proper divisors (1972703).

26280097 is a wasteful number, since it uses less digits than its factorization.

26280097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29495.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 26280097 is about 5126.4117080079. The cubic root of 26280097 is about 297.3096378870.

The spelling of 26280097 in words is "twenty-six million, two hundred eighty thousand, ninety-seven".

Divisors: 1 19 47 893 29429 559151 1383163 26280097