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38420793 = 3219224683
BaseRepresentation
bin1001001010010…
…0000100111001
32200021222102100
42102210010321
534313431133
63451254013
7644366655
oct222440471
980258370
1038420793
111a762124
1210a4a309
137c62ac8
145161a65
15358de13
hex24a4139

38420793 has 12 divisors (see below), whose sum is σ = 58417840. Its totient is φ = 24265656.

The previous prime is 38420777. The next prime is 38420803. The reversal of 38420793 is 39702483.

It is not a de Polignac number, because 38420793 - 24 = 38420777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38420773) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112171 + ... + 112512.

Almost surely, 238420793 is an apocalyptic number.

It is an amenable number.

38420793 is a deficient number, since it is larger than the sum of its proper divisors (19997047).

38420793 is a wasteful number, since it uses less digits than its factorization.

38420793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224708 (or 224705 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38420793 is about 6198.4508548508. The cubic root of 38420793 is about 337.4339492142.

The spelling of 38420793 in words is "thirty-eight million, four hundred twenty thousand, seven hundred ninety-three".

Divisors: 1 3 9 19 57 171 224683 674049 2022147 4268977 12806931 38420793