Search a number
-
+
26124289 = 312812999
BaseRepresentation
bin110001110101…
…0000000000001
31211011020210021
41203222000001
523141434124
62331533441
7435024052
oct143520001
954136707
1026124289
1113823624
1288ba281
135548b79
143680729
1524607e4
hex18ea001

26124289 has 8 divisors (see below), whose sum is σ = 27072000. Its totient is φ = 25183200.

The previous prime is 26124271. The next prime is 26124317. The reversal of 26124289 is 98242162.

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

It is a cyclic number.

It is not a de Polignac number, because 26124289 - 29 = 26123777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26124209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7212 + ... + 10210.

It is an arithmetic number, because the mean of its divisors is an integer number (3384000).

It is a Proth number, since it is equal to 3189 ⋅ 213 + 1 and 3189 < 213.

Almost surely, 226124289 is an apocalyptic number.

It is an amenable number.

26124289 is a deficient number, since it is larger than the sum of its proper divisors (947711).

26124289 is a wasteful number, since it uses less digits than its factorization.

26124289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311.

The product of its digits is 13824, while the sum is 34.

The square root of 26124289 is about 5111.1925222985. The cubic root of 26124289 is about 296.7209151872.

The spelling of 26124289 in words is "twenty-six million, one hundred twenty-four thousand, two hundred eighty-nine".

Divisors: 1 31 281 2999 8711 92969 842719 26124289