Search a number
-
+
26100020 = 2257916519
BaseRepresentation
bin110001110010…
…0000100110100
31211010000111102
41203210010310
523140200040
62331225232
7434563232
oct143440464
954100442
1026100020
1113807371
1288a8218
13553aacb
143675952
152458515
hex18e4134

26100020 has 24 divisors (see below), whose sum is σ = 55507200. Its totient is φ = 10307232.

The previous prime is 26100001. The next prime is 26100031. The reversal of 26100020 is 2000162.

It is a super-3 number, since 3×261000203 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 26099974 and 26100010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6680 + ... + 9839.

It is an arithmetic number, because the mean of its divisors is an integer number (2312800).

Almost surely, 226100020 is an apocalyptic number.

26100020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26100020 is an abundant number, since it is smaller than the sum of its proper divisors (29407180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26100020 is a wasteful number, since it uses less digits than its factorization.

26100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16607 (or 16605 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 26100020 is about 5108.8178671783. The cubic root of 26100020 is about 296.6290039018.

Adding to 26100020 its reverse (2000162), we get a palindrome (28100182).

The spelling of 26100020 in words is "twenty-six million, one hundred thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 16519 33038 66076 82595 165190 330380 1305001 2610002 5220004 6525005 13050010 26100020