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38423417 = 172132953
BaseRepresentation
bin1001001010010…
…0101101111001
32200022010000112
42102210231321
534314022132
63451314105
7644410424
oct222445571
980263015
1038423417
111a76409a
1210a4b935
137c64066
1451629bb
15358eab2
hex24a4b79

38423417 has 6 divisors (see below), whose sum is σ = 40816878. Its totient is φ = 36162944.

The previous prime is 38423387. The next prime is 38423423. The reversal of 38423417 is 71432483.

38423417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 18567481 + 19855936 = 4309^2 + 4456^2 .

It is a de Polignac number, because none of the positive numbers 2k-38423417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38423617) 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 5 ways as a sum of consecutive naturals, for example, 66188 + ... + 66765.

It is an arithmetic number, because the mean of its divisors is an integer number (6802813).

Almost surely, 238423417 is an apocalyptic number.

It is an amenable number.

38423417 is a deficient number, since it is larger than the sum of its proper divisors (2393461).

38423417 is a wasteful number, since it uses less digits than its factorization.

38423417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132987 (or 132970 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 38423417 is about 6198.6625170274. The cubic root of 38423417 is about 337.4416308753.

The spelling of 38423417 in words is "thirty-eight million, four hundred twenty-three thousand, four hundred seventeen".

Divisors: 1 17 289 132953 2260201 38423417