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38272501 is a prime number
BaseRepresentation
bin1001000111111…
…1110111110101
32200000110000001
42101333313311
534244210001
63444151301
7643211431
oct221776765
980013001
1038272501
111a670773
1210998531
137c10467
1451239c1
153560001
hex247fdf5

38272501 has 2 divisors, whose sum is σ = 38272502. Its totient is φ = 38272500.

The previous prime is 38272499. The next prime is 38272511. The reversal of 38272501 is 10527283.

38272501 = 43742 + 43752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 19131876 = 4375^2 + 4374^2 .

It is a cyclic number.

It is not a de Polignac number, because 38272501 - 21 = 38272499 is a prime.

Together with 38272499, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p2334682 and since 38272501 and 2334682 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38272501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38272511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19136250 + 19136251.

It is an arithmetic number, because the mean of its divisors is an integer number (19136251).

Almost surely, 238272501 is an apocalyptic number.

38272501 is the 4375-th centered square number.

It is an amenable number.

38272501 is a deficient number, since it is larger than the sum of its proper divisors (1).

38272501 is an equidigital number, since it uses as much as digits as its factorization.

38272501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 38272501 is about 6186.4772690118. The cubic root of 38272501 is about 336.9992603599. Note that the first 3 decimals are identical.

Adding to 38272501 its reverse (10527283), we get a palindrome (48799784).

It can be divided in two parts, 3827 and 2501, that added together give a triangular number (6328 = T112).

The spelling of 38272501 in words is "thirty-eight million, two hundred seventy-two thousand, five hundred one".