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38860399 = 471674951
BaseRepresentation
bin1001010000111…
…1011001101111
32201010022110001
42110033121233
534422013044
63504525131
7651210424
oct224173157
981108401
1038860399
111aa32436
12110207a7
138087c26
145237d4b
1536292d4
hex250f66f

38860399 has 8 divisors (see below), whose sum is σ = 39932928. Its totient is φ = 37798200.

The previous prime is 38860343. The next prime is 38860411. The reversal of 38860399 is 99306883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-38860399 is a prime.

It is a super-2 number, since 2×388603992 = 3020261220878402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38860099) 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, 5374 + ... + 10324.

It is an arithmetic number, because the mean of its divisors is an integer number (4991616).

Almost surely, 238860399 is an apocalyptic number.

38860399 is a deficient number, since it is larger than the sum of its proper divisors (1072529).

38860399 is a wasteful number, since it uses less digits than its factorization.

38860399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 38860399 is about 6233.8109531810. The cubic root of 38860399 is about 338.7160310523.

The spelling of 38860399 in words is "thirty-eight million, eight hundred sixty thousand, three hundred ninety-nine".

Divisors: 1 47 167 4951 7849 232697 826817 38860399