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38646061 = 972391667
BaseRepresentation
bin1001001101101…
…1000100101101
32200201102102121
42103123010231
534343133221
63500152541
7646325506
oct223330455
980642377
1038646061
111a8a63a3
1210b38751
1380114bc
1451bdbad
1535d5a41
hex24db12d

38646061 has 8 divisors (see below), whose sum is σ = 39231360. Its totient is φ = 38064768.

The previous prime is 38646043. The next prime is 38646071. The reversal of 38646061 is 16064683.

38646061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38646061 - 25 = 38646029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38646071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22350 + ... + 24016.

It is an arithmetic number, because the mean of its divisors is an integer number (4903920).

Almost surely, 238646061 is an apocalyptic number.

It is an amenable number.

38646061 is a deficient number, since it is larger than the sum of its proper divisors (585299).

38646061 is a wasteful number, since it uses less digits than its factorization.

38646061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 38646061 is about 6216.5956117476. The cubic root of 38646061 is about 338.0921431031.

The spelling of 38646061 in words is "thirty-eight million, six hundred forty-six thousand, sixty-one".

Divisors: 1 97 239 1667 23183 161699 398413 38646061