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38682401 = 308312547
BaseRepresentation
bin1001001110001…
…1111100100001
32200210021021112
42103203330201
534400314101
63501033105
7646536452
oct223437441
980707245
1038682401
111a92072a
1210b55795
138024bc4
1451cd129
1535e16bb
hex24e3f21

38682401 has 4 divisors (see below), whose sum is σ = 38698032. Its totient is φ = 38666772.

The previous prime is 38682349. The next prime is 38682407. The reversal of 38682401 is 10428683.

38682401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10428683 = 23453421.

It is a cyclic number.

It is not a de Polignac number, because 38682401 - 218 = 38420257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38682407) 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 3 ways as a sum of consecutive naturals, for example, 3191 + ... + 9356.

It is an arithmetic number, because the mean of its divisors is an integer number (9674508).

Almost surely, 238682401 is an apocalyptic number.

It is an amenable number.

38682401 is a deficient number, since it is larger than the sum of its proper divisors (15631).

38682401 is a wasteful number, since it uses less digits than its factorization.

38682401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 38682401 is about 6219.5177465781. The cubic root of 38682401 is about 338.1980824850.

The spelling of 38682401 in words is "thirty-eight million, six hundred eighty-two thousand, four hundred one".

Divisors: 1 3083 12547 38682401