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38006013 = 313739227
BaseRepresentation
bin1001000011111…
…0110011111101
32122111220110010
42100332303331
534212143023
63434333433
7641021463
oct220766375
978456403
1038006013
111a4a9531
121088a279
137b49086
145094833
15350b093
hex243ecfd

38006013 has 8 divisors (see below), whose sum is σ = 50717088. Its totient is φ = 25316144.

The previous prime is 38005987. The next prime is 38006029. The reversal of 38006013 is 31060083.

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 38006013 - 212 = 38001917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38006053) 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, 495 + ... + 8732.

It is an arithmetic number, because the mean of its divisors is an integer number (6339636).

Almost surely, 238006013 is an apocalyptic number.

It is an amenable number.

38006013 is a deficient number, since it is larger than the sum of its proper divisors (12711075).

38006013 is a wasteful number, since it uses less digits than its factorization.

38006013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10603.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 38006013 is about 6164.9017023794. The cubic root of 38006013 is about 336.2152726904.

Adding to 38006013 its reverse (31060083), we get a palindrome (69066096).

The spelling of 38006013 in words is "thirty-eight million, six thousand, thirteen".

Divisors: 1 3 1373 4119 9227 27681 12668671 38006013