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26998071 = 385710501
BaseRepresentation
bin110011011111…
…1010100110111
31212210122101120
41212333110313
523402414241
62402355023
7445323402
oct146772467
955718346
1026998071
1114270061
12905ba73
1357937b9
14382ad39
152584666
hex19bf537

26998071 has 8 divisors (see below), whose sum is σ = 36042864. Its totient is φ = 17976000.

The previous prime is 26998063. The next prime is 26998079. The reversal of 26998071 is 17089962.

It is an interprime number because it is at equal distance from previous prime (26998063) and next prime (26998079).

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

It is not a de Polignac number, because 26998071 - 23 = 26998063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26998079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2680 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (4505358).

Almost surely, 226998071 is an apocalyptic number.

26998071 is a deficient number, since it is larger than the sum of its proper divisors (9044793).

26998071 is a wasteful number, since it uses less digits than its factorization.

26998071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 26998071 is about 5195.9668012796. The cubic root of 26998071 is about 299.9928553854.

The spelling of 26998071 in words is "twenty-six million, nine hundred ninety-eight thousand, seventy-one".

Divisors: 1 3 857 2571 10501 31503 8999357 26998071