Search a number
-
+
26330140 = 2251316507
BaseRepresentation
bin110010001110…
…0010000011100
31211112201011101
41210130100130
523220031030
62340202444
7436542154
oct144342034
954481141
1026330140
1113954251
128999424
1355bb785
1436d5764
1524a17ca
hex191c41c

26330140 has 12 divisors (see below), whose sum is σ = 55293336. Its totient is φ = 10532048.

The previous prime is 26330131. The next prime is 26330141. The reversal of 26330140 is 4103362.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26330141) 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, 658234 + ... + 658273.

It is an arithmetic number, because the mean of its divisors is an integer number (4607778).

Almost surely, 226330140 is an apocalyptic number.

26330140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26330140 is an abundant number, since it is smaller than the sum of its proper divisors (28963196).

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

26330140 is a wasteful number, since it uses less digits than its factorization.

26330140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316516 (or 1316514 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 26330140 is about 5131.2902860782. The cubic root of 26330140 is about 297.4982322236.

It can be divided in two parts, 263 and 30140, that added together give a palindrome (30403).

The spelling of 26330140 in words is "twenty-six million, three hundred thirty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 1316507 2633014 5266028 6582535 13165070 26330140