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38304133 = 721941143
BaseRepresentation
bin1001001000011…
…1100110000101
32200002001101121
42102013212011
534301213013
63444553541
7643402600
oct222074605
980061347
1038304133
111a69250a
12109b28b1
137c2198a
145131337
15356958d
hex2487985

38304133 has 12 divisors (see below), whose sum is σ = 46904160. Its totient is φ = 31103352.

The previous prime is 38304121. The next prime is 38304137. The reversal of 38304133 is 33140383.

It is not a de Polignac number, because 38304133 - 213 = 38295941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38304098 and 38304107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38304137) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 19641 + ... + 21502.

It is an arithmetic number, because the mean of its divisors is an integer number (3908680).

Almost surely, 238304133 is an apocalyptic number.

It is an amenable number.

38304133 is a deficient number, since it is larger than the sum of its proper divisors (8600027).

38304133 is a wasteful number, since it uses less digits than its factorization.

38304133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41176 (or 41169 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 38304133 is about 6189.0332847707. The cubic root of 38304133 is about 337.0920774381.

The spelling of 38304133 in words is "thirty-eight million, three hundred four thousand, one hundred thirty-three".

Divisors: 1 7 19 49 133 931 41143 288001 781717 2016007 5472019 38304133