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38330361 = 331419643
BaseRepresentation
bin1001001000110…
…1111111111001
32200010101101000
42102031333321
534303032421
63445315213
7643542216
oct222157771
980111330
1038330361
111a700193
1210a05b09
137c308b4
14513ab0d
153572226
hex248dff9

38330361 has 8 divisors (see below), whose sum is σ = 56785760. Its totient is φ = 25553556.

The previous prime is 38330311. The next prime is 38330371. The reversal of 38330361 is 16303383.

It is not a de Polignac number, because 38330361 - 27 = 38330233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1419643 = 38330361 / (3 + 8 + 3 + 3 + 0 + 3 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38330311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709795 + ... + 709848.

It is an arithmetic number, because the mean of its divisors is an integer number (7098220).

Almost surely, 238330361 is an apocalyptic number.

It is an amenable number.

38330361 is a deficient number, since it is larger than the sum of its proper divisors (18455399).

38330361 is a wasteful number, since it uses less digits than its factorization.

38330361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419652 (or 1419646 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 38330361 is about 6191.1518314446. The cubic root of 38330361 is about 337.1689989356.

The spelling of 38330361 in words is "thirty-eight million, three hundred thirty thousand, three hundred sixty-one".

Divisors: 1 3 9 27 1419643 4258929 12776787 38330361