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215414332 = 2277693369
BaseRepresentation
bin11001101011011…
…11011000111100
3120000100011220121
430311233120330
5420121224312
633213024324
75223664060
oct1465573074
9500304817
10215414332
11100660a81
12601850a4
1335823403
1420875aa0
1513da1707
hexcd6f63c

215414332 has 12 divisors (see below), whose sum is σ = 430828720. Its totient is φ = 92320416.

The previous prime is 215414263. The next prime is 215414341. The reversal of 215414332 is 233414512.

215414332 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 215414297 and 215414306.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3846657 + ... + 3846712.

Almost surely, 2215414332 is an apocalyptic number.

It is an amenable number.

215414332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

215414332 is a wasteful number, since it uses less digits than its factorization.

215414332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7693380 (or 7693378 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 215414332 is about 14677.0001022007. Note that the first 3 decimals coincide. The cubic root of 215414332 is about 599.4572239531.

Adding to 215414332 its reverse (233414512), we get a palindrome (448828844).

The spelling of 215414332 in words is "two hundred fifteen million, four hundred fourteen thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 7693369 15386738 30773476 53853583 107707166 215414332