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38621368 = 234827671
BaseRepresentation
bin1001001101010…
…1000010111000
32200200011120001
42103111002320
534341340433
63455442344
7646163512
oct223250270
980604501
1038621368
111a889895
1210b263b4
1380031a6
1451b4bb2
1535cd57d
hex24d50b8

38621368 has 8 divisors (see below), whose sum is σ = 72415080. Its totient is φ = 19310680.

The previous prime is 38621339. The next prime is 38621369. The reversal of 38621368 is 86312683.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×386213682 = 2983220132382848, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38621369) 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 as a sum of consecutive naturals, namely, 2413828 + ... + 2413843.

It is an arithmetic number, because the mean of its divisors is an integer number (9051885).

Almost surely, 238621368 is an apocalyptic number.

It is an amenable number.

38621368 is a deficient number, since it is larger than the sum of its proper divisors (33793712).

38621368 is a wasteful number, since it uses less digits than its factorization.

38621368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827677 (or 4827673 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 38621368 is about 6214.6092395258. The cubic root of 38621368 is about 338.0201194797.

The spelling of 38621368 in words is "thirty-eight million, six hundred twenty-one thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 4827671 9655342 19310684 38621368