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30236208 = 243629921
BaseRepresentation
bin111001101010…
…1111000110000
32002220011021120
41303111320300
530220024313
63000022240
7515001132
oct163257060
962804246
1030236208
1116081a02
12a161980
136358662
144031052
1529c3d23
hex1cd5e30

30236208 has 20 divisors (see below), whose sum is σ = 78110328. Its totient is φ = 10078720.

The previous prime is 30236207. The next prime is 30236209. The reversal of 30236208 is 80263203.

It is an interprime number because it is at equal distance from previous prime (30236207) and next prime (30236209).

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

It is not an unprimeable number, because it can be changed into a prime (30236203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314913 + ... + 315008.

Almost surely, 230236208 is an apocalyptic number.

It is an amenable number.

30236208 is an abundant number, since it is smaller than the sum of its proper divisors (47874120).

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

30236208 is a wasteful number, since it uses less digits than its factorization.

30236208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629932 (or 629926 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 30236208 is about 5498.7460388710. The cubic root of 30236208 is about 311.5366231212.

The spelling of 30236208 in words is "thirty million, two hundred thirty-six thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 629921 1259842 1889763 2519684 3779526 5039368 7559052 10078736 15118104 30236208