Search a number
-
+
26207140 = 2251638039
BaseRepresentation
bin110001111111…
…0001110100100
31211022110102211
41203332032210
523202112030
62333413204
7435520441
oct143761644
954273384
1026207140
111387a8a3
12893a204
1355777ab
1436a29c8
15247a12a
hex18fe3a4

26207140 has 24 divisors (see below), whose sum is σ = 55379520. Its totient is φ = 10417248.

The previous prime is 26207131. The next prime is 26207147. The reversal of 26207140 is 4170262.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (26207147) 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, 760 + ... + 7279.

It is an arithmetic number, because the mean of its divisors is an integer number (2307480).

Almost surely, 226207140 is an apocalyptic number.

26207140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26207140 is an abundant number, since it is smaller than the sum of its proper divisors (29172380).

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

26207140 is a wasteful number, since it uses less digits than its factorization.

26207140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211 (or 8209 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 26207140 is about 5119.2909665304. The cubic root of 26207140 is about 297.0342593696.

The spelling of 26207140 in words is "twenty-six million, two hundred seven thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 163 326 652 815 1630 3260 8039 16078 32156 40195 80390 160780 1310357 2620714 5241428 6551785 13103570 26207140