Search a number
-
+
26750440 = 235668761
BaseRepresentation
bin110011000001…
…0110111101000
31212100001201001
41212002313220
523322003230
62353204344
7443242423
oct146026750
955301631
1026750440
1114111002
128b606b4
135707b82
1437a49ba
1525360ca
hex1982de8

26750440 has 16 divisors (see below), whose sum is σ = 60188580. Its totient is φ = 10700160.

The previous prime is 26750431. The next prime is 26750467. The reversal of 26750440 is 4405762.

It can be written as a sum of positive squares in 2 ways, for example, as 26193924 + 556516 = 5118^2 + 746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26750399 and 26750408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 334341 + ... + 334420.

Almost surely, 226750440 is an apocalyptic number.

26750440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26750440 is an abundant number, since it is smaller than the sum of its proper divisors (33438140).

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

26750440 is a wasteful number, since it uses less digits than its factorization.

26750440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668772 (or 668768 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 26750440 is about 5172.0827526249. The cubic root of 26750440 is about 299.0728412444.

The spelling of 26750440 in words is "twenty-six million, seven hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 668761 1337522 2675044 3343805 5350088 6687610 13375220 26750440