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30355066 = 272168219
BaseRepresentation
bin111001111001…
…0111001111010
32010010012022201
41303302321322
530232330231
63002340414
7516004510
oct163627172
963105281
1030355066
1116153235
12a1ba70a
13639a7a1
1440624b0
1529e9161
hex1cf2e7a

30355066 has 8 divisors (see below), whose sum is σ = 52037280. Its totient is φ = 13009308.

The previous prime is 30355051. The next prime is 30355069. The reversal of 30355066 is 66055303.

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

It is not an unprimeable number, because it can be changed into a prime (30355069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084096 + ... + 1084123.

It is an arithmetic number, because the mean of its divisors is an integer number (6504660).

Almost surely, 230355066 is an apocalyptic number.

30355066 is a deficient number, since it is larger than the sum of its proper divisors (21682214).

30355066 is a wasteful number, since it uses less digits than its factorization.

30355066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168228.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 30355066 is about 5509.5431752551. The cubic root of 30355066 is about 311.9443043800.

The spelling of 30355066 in words is "thirty million, three hundred fifty-five thousand, sixty-six".

Divisors: 1 2 7 14 2168219 4336438 15177533 30355066