Search a number
-
+
26980218 = 2322715531
BaseRepresentation
bin110011011101…
…0111101111010
31212202201220100
41212322331322
523401331333
62402140230
7445220346
oct146727572
955681810
1026980218
1114258701
129051676
135788635
143824626
15257e213
hex19baf7a

26980218 has 24 divisors (see below), whose sum is σ = 58683456. Its totient is φ = 8958600.

The previous prime is 26980201. The next prime is 26980223. The reversal of 26980218 is 81208962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2113 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (2445144).

Almost surely, 226980218 is an apocalyptic number.

26980218 is an abundant number, since it is smaller than the sum of its proper divisors (31703238).

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

26980218 is a wasteful number, since it uses less digits than its factorization.

26980218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5810 (or 5807 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 26980218 is about 5194.2485500792. The cubic root of 26980218 is about 299.9267154327.

The spelling of 26980218 in words is "twenty-six million, nine hundred eighty thousand, two hundred eighteen".

Divisors: 1 2 3 6 9 18 271 542 813 1626 2439 4878 5531 11062 16593 33186 49779 99558 1498901 2997802 4496703 8993406 13490109 26980218