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26100023 = 223911657
BaseRepresentation
bin110001110010…
…0000100110111
31211010000111112
41203210010313
523140200043
62331225235
7434563235
oct143440467
954100445
1026100023
1113807374
1288a821b
13553ab01
143675955
152458518
hex18e4137

26100023 has 4 divisors (see below), whose sum is σ = 26113920. Its totient is φ = 26086128.

The previous prime is 26100001. The next prime is 26100031. The reversal of 26100023 is 32000162.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32000162 = 216000081.

It is a cyclic number.

It is not a de Polignac number, because 26100023 - 28 = 26099767 is a prime.

It is a super-3 number, since 3×261000233 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26099980 and 26100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26100073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3590 + ... + 8067.

It is an arithmetic number, because the mean of its divisors is an integer number (6528480).

Almost surely, 226100023 is an apocalyptic number.

26100023 is a deficient number, since it is larger than the sum of its proper divisors (13897).

26100023 is a wasteful number, since it uses less digits than its factorization.

26100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13896.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 26100023 is about 5108.8181607883. The cubic root of 26100023 is about 296.6290152668.

Adding to 26100023 its reverse (32000162), we get a palindrome (58100185).

The spelling of 26100023 in words is "twenty-six million, one hundred thousand, twenty-three".

Divisors: 1 2239 11657 26100023