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38528561 = 194149459
BaseRepresentation
bin1001001011111…
…0011000110001
32200111110020202
42102332120301
534330403221
63453444545
7645326111
oct222763061
980443222
1038528561
111a826095
1210aa0755
137c9cb86
14518d041
1535b0d0b
hex24be631

38528561 has 8 divisors (see below), whose sum is σ = 41546400. Its totient is φ = 35609760.

The previous prime is 38528543. The next prime is 38528573. The reversal of 38528561 is 16582583.

38528561 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 38528561 - 210 = 38527537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38528521) 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, 23951 + ... + 25508.

It is an arithmetic number, because the mean of its divisors is an integer number (5193300).

Almost surely, 238528561 is an apocalyptic number.

It is an amenable number.

38528561 is a deficient number, since it is larger than the sum of its proper divisors (3017839).

38528561 is a wasteful number, since it uses less digits than its factorization.

38528561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49519.

The product of its digits is 57600, while the sum is 38.

The square root of 38528561 is about 6207.1379072806. The cubic root of 38528561 is about 337.7491486304.

The spelling of 38528561 in words is "thirty-eight million, five hundred twenty-eight thousand, five hundred sixty-one".

Divisors: 1 19 41 779 49459 939721 2027819 38528561