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38394733 = 137613881
BaseRepresentation
bin1001001001110…
…1101101101101
32200020122200011
42102131231231
534312112413
63450533221
7644230666
oct222355555
980218604
1038394733
111a744593
1210a37211
137c53ca0
14515636d
15358633d
hex249db6d

38394733 has 8 divisors (see below), whose sum is σ = 41413176. Its totient is φ = 35385600.

The previous prime is 38394731. The next prime is 38394739. The reversal of 38394733 is 33749383.

It can be written as a sum of positive squares in 4 ways, for example, as 412164 + 37982569 = 642^2 + 6163^2 .

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 38394733 - 21 = 38394731 is a prime.

It is a Duffinian number.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38394731) 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, 7953 + ... + 11833.

It is an arithmetic number, because the mean of its divisors is an integer number (5176647).

Almost surely, 238394733 is an apocalyptic number.

It is an amenable number.

38394733 is a deficient number, since it is larger than the sum of its proper divisors (3018443).

38394733 is a wasteful number, since it uses less digits than its factorization.

38394733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4655.

The product of its digits is 163296, while the sum is 40.

The square root of 38394733 is about 6196.3483601231. The cubic root of 38394733 is about 337.3576405548.

The spelling of 38394733 in words is "thirty-eight million, three hundred ninety-four thousand, seven hundred thirty-three".

Divisors: 1 13 761 3881 9893 50453 2953441 38394733