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221054030 = 2522105403
BaseRepresentation
bin11010010110100…
…00010001001110
3120101221201010022
431023100101032
5423042212110
633533542142
75322633251
oct1513202116
9511851108
10221054030
1110386318a
1262044952
1336a49402
1421503098
1514617755
hexd2d044e

221054030 has 8 divisors (see below), whose sum is σ = 397897272. Its totient is φ = 88421608.

The previous prime is 221054011. The next prime is 221054069. The reversal of 221054030 is 30450122.

221054030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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, 11052692 + ... + 11052711.

It is an arithmetic number, because the mean of its divisors is an integer number (49737159).

Almost surely, 2221054030 is an apocalyptic number.

221054030 is a deficient number, since it is larger than the sum of its proper divisors (176843242).

221054030 is a wasteful number, since it uses less digits than its factorization.

221054030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22105410.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 221054030 is about 14867.8858618164. The cubic root of 221054030 is about 604.6436259233.

The spelling of 221054030 in words is "two hundred twenty-one million, fifty-four thousand, thirty".

Divisors: 1 2 5 10 22105403 44210806 110527015 221054030