Search a number
-
+
213965260 = 22510698263
BaseRepresentation
bin11001100000011…
…01100111001100
3112220121120011021
430300031213030
5414233342020
633122003524
75205450265
oct1460154714
9486546137
10213965260
11aa8612a3
125b7a65a4
1335436982
14205b996c
1513bb71aa
hexcc0d9cc

213965260 has 12 divisors (see below), whose sum is σ = 449327088. Its totient is φ = 85586096.

The previous prime is 213965249. The next prime is 213965261. The reversal of 213965260 is 62569312.

It is a super-2 number, since 2×2139652602 = 91562264973735200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213965261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5349112 + ... + 5349151.

It is an arithmetic number, because the mean of its divisors is an integer number (37443924).

Almost surely, 2213965260 is an apocalyptic number.

213965260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213965260 is an abundant number, since it is smaller than the sum of its proper divisors (235361828).

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

213965260 is a wasteful number, since it uses less digits than its factorization.

213965260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10698272 (or 10698270 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 213965260 is about 14627.5514013795. The cubic root of 213965260 is about 598.1100344493.

The spelling of 213965260 in words is "two hundred thirteen million, nine hundred sixty-five thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 10698263 21396526 42793052 53491315 106982630 213965260