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38304080 = 245478801
BaseRepresentation
bin1001001000011…
…1100101010000
32200002001022122
42102013211100
534301212310
63444553412
7643402463
oct222074520
980061278
1038304080
111a692471
12109b2868
137c21949
1451312da
153569555
hex2487950

38304080 has 20 divisors (see below), whose sum is σ = 89057172. Its totient is φ = 15321600.

The previous prime is 38304073. The next prime is 38304113. The reversal of 38304080 is 8040383.

It can be written as a sum of positive squares in 2 ways, for example, as 17909824 + 20394256 = 4232^2 + 4516^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 239321 + ... + 239480.

Almost surely, 238304080 is an apocalyptic number.

It is an amenable number.

38304080 is an abundant number, since it is smaller than the sum of its proper divisors (50753092).

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

38304080 is a wasteful number, since it uses less digits than its factorization.

38304080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478814 (or 478808 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 38304080 is about 6189.0290030020. The cubic root of 38304080 is about 337.0919219641.

The spelling of 38304080 in words is "thirty-eight million, three hundred four thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 478801 957602 1915204 2394005 3830408 4788010 7660816 9576020 19152040 38304080