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30898899 = 323433211
BaseRepresentation
bin111010111011…
…1101011010011
32011010211022200
41311313223103
530402231044
63022134243
7523431153
oct165675323
964124280
1030898899
1116494889
12a421383
13652b195
144164763
152aa5369
hex1d77ad3

30898899 has 6 divisors (see below), whose sum is σ = 44631756. Its totient is φ = 20599260.

The previous prime is 30898873. The next prime is 30898937. The reversal of 30898899 is 99889803.

It is not a de Polignac number, because 30898899 - 212 = 30894803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30898799) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1716597 + ... + 1716614.

It is an arithmetic number, because the mean of its divisors is an integer number (7438626).

Almost surely, 230898899 is an apocalyptic number.

30898899 is a deficient number, since it is larger than the sum of its proper divisors (13732857).

30898899 is a wasteful number, since it uses less digits than its factorization.

30898899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433217 (or 3433214 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The square root of 30898899 is about 5558.6778104150. The cubic root of 30898899 is about 313.7961914606.

The spelling of 30898899 in words is "thirty million, eight hundred ninety-eight thousand, eight hundred ninety-nine".

Divisors: 1 3 9 3433211 10299633 30898899