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30245208 = 2337414391
BaseRepresentation
bin111001101100…
…0000101011000
32002220121121220
41303120011120
530220321313
63000132040
7515036310
oct163300530
962817556
1030245208
1116088744
12a167020
13635c796
144034440
1529c6823
hex1cd8158

30245208 has 64 divisors (see below), whose sum is σ = 88542720. Its totient is φ = 8428800.

The previous prime is 30245191. The next prime is 30245233. The reversal of 30245208 is 80254203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4693 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (1383480).

Almost surely, 230245208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30245208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44271360).

30245208 is an abundant number, since it is smaller than the sum of its proper divisors (58297512).

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

30245208 is a wasteful number, since it uses less digits than its factorization.

30245208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 30245208 is about 5499.5643463824. The cubic root of 30245208 is about 311.5675303419.

The spelling of 30245208 in words is "thirty million, two hundred forty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 41 42 56 82 84 123 164 168 246 287 328 492 574 861 984 1148 1722 2296 3444 4391 6888 8782 13173 17564 26346 30737 35128 52692 61474 92211 105384 122948 180031 184422 245896 360062 368844 540093 720124 737688 1080186 1260217 1440248 2160372 2520434 3780651 4320744 5040868 7561302 10081736 15122604 30245208