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38052605 = 57610521
BaseRepresentation
bin1001000100101…
…0001011111101
32122121021100202
42101022023331
534220140410
63435333245
7641304353
oct221121375
978537322
1038052605
111a530538
12108b1225
137b64346
1450a77d3
153519ca5
hex244a2fd

38052605 has 4 divisors (see below), whose sum is σ = 45663132. Its totient is φ = 30442080.

The previous prime is 38052589. The next prime is 38052643. The reversal of 38052605 is 50625083.

38052605 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5812921 + 32239684 = 2411^2 + 5678^2 .

It is not a de Polignac number, because 38052605 - 24 = 38052589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3805256 + ... + 3805265.

It is an arithmetic number, because the mean of its divisors is an integer number (11415783).

Almost surely, 238052605 is an apocalyptic number.

It is an amenable number.

38052605 is a deficient number, since it is larger than the sum of its proper divisors (7610527).

38052605 is an equidigital number, since it uses as much as digits as its factorization.

38052605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7610526.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 38052605 is about 6168.6793562318. The cubic root of 38052605 is about 336.3526066175.

Adding to 38052605 its reverse (50625083), we get a palindrome (88677688).

The spelling of 38052605 in words is "thirty-eight million, fifty-two thousand, six hundred five".

Divisors: 1 5 7610521 38052605