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30238370 = 2514832039
BaseRepresentation
bin111001101011…
…0011010100010
32002220021020122
41303112122202
530220111440
63000040242
7515010341
oct163263242
962807218
1030238370
1116083598
12a163082
136359636
144031b58
1529c47b5
hex1cd66a2

30238370 has 16 divisors (see below), whose sum is σ = 54492480. Its totient is φ = 12081264.

The previous prime is 30238339. The next prime is 30238381. The reversal of 30238370 is 7383203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13811 + ... + 15849.

It is an arithmetic number, because the mean of its divisors is an integer number (3405780).

Almost surely, 230238370 is an apocalyptic number.

30238370 is a deficient number, since it is larger than the sum of its proper divisors (24254110).

30238370 is a wasteful number, since it uses less digits than its factorization.

30238370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30238370 is about 5498.9426256327. The cubic root of 30238370 is about 311.5440482821.

The spelling of 30238370 in words is "thirty million, two hundred thirty-eight thousand, three hundred seventy".

Divisors: 1 2 5 10 1483 2039 2966 4078 7415 10195 14830 20390 3023837 6047674 15119185 30238370