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38413657 = 236772467
BaseRepresentation
bin1001001010001…
…0010101011001
32200021121122001
42102202111121
534313214112
63451201001
7644340112
oct222422531
980247561
1038413657
111a757827
1210a46161
137c5c799
14515d209
15358bc57
hex24a2559

38413657 has 8 divisors (see below), whose sum is σ = 40159296. Its totient is φ = 36674352.

The previous prime is 38413643. The next prime is 38413673. The reversal of 38413657 is 75631483.

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

It is a cyclic number.

It is not a de Polignac number, because 38413657 - 215 = 38380889 is a prime.

It is a super-2 number, since 2×384136572 = 2951218088227298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38413057) 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 in 7 ways as a sum of consecutive naturals, for example, 14338 + ... + 16804.

It is an arithmetic number, because the mean of its divisors is an integer number (5019912).

Almost surely, 238413657 is an apocalyptic number.

It is an amenable number.

38413657 is a deficient number, since it is larger than the sum of its proper divisors (1745639).

38413657 is a wasteful number, since it uses less digits than its factorization.

38413657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167.

The product of its digits is 60480, while the sum is 37.

The square root of 38413657 is about 6197.8752004215. The cubic root of 38413657 is about 337.4130570743.

It can be divided in two parts, 384 and 13657, that added together give a palindrome (14041).

The spelling of 38413657 in words is "thirty-eight million, four hundred thirteen thousand, six hundred fifty-seven".

Divisors: 1 23 677 2467 15571 56741 1670159 38413657