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38617045 = 564112049
BaseRepresentation
bin1001001101001…
…1111111010101
32200122221121221
42103103333111
534341221140
63455410341
7646145065
oct223237725
980587557
1038617045
111a886615
1210b239b1
13800122c
1451b33a5
1535cc14a
hex24d3fd5

38617045 has 8 divisors (see below), whose sum is σ = 46416600. Its totient is φ = 30842880.

The previous prime is 38617031. The next prime is 38617091. The reversal of 38617045 is 54071683.

It can be written as a sum of positive squares in 4 ways, for example, as 14243076 + 24373969 = 3774^2 + 4937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38617045 - 211 = 38614997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38617045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2820 + ... + 9229.

It is an arithmetic number, because the mean of its divisors is an integer number (5802075).

Almost surely, 238617045 is an apocalyptic number.

It is an amenable number.

38617045 is a deficient number, since it is larger than the sum of its proper divisors (7799555).

38617045 is a wasteful number, since it uses less digits than its factorization.

38617045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12695.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 38617045 is about 6214.2614203138. The cubic root of 38617045 is about 338.0075071568.

The spelling of 38617045 in words is "thirty-eight million, six hundred seventeen thousand, forty-five".

Divisors: 1 5 641 3205 12049 60245 7723409 38617045