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38420177 = 532772617
BaseRepresentation
bin1001001010001…
…1111011010001
32200021221120112
42102203323101
534313421202
63451251105
7644365115
oct222437321
980257515
1038420177
111a761714
1210a49a95
137c62743
145161745
15358db52
hex24a3ed1

38420177 has 8 divisors (see below), whose sum is σ = 39301416. Its totient is φ = 37544832.

The previous prime is 38420131. The next prime is 38420183. The reversal of 38420177 is 77102483.

It is a happy number.

38420177 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 4 ways, for example, as 13808656 + 24611521 = 3716^2 + 4961^2 .

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 38420177 - 28 = 38419921 is a prime.

It is a super-2 number, since 2×384201772 = 2952220001422658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38420117) 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, 13373 + ... + 15989.

It is an arithmetic number, because the mean of its divisors is an integer number (4912677).

Almost surely, 238420177 is an apocalyptic number.

It is an amenable number.

38420177 is a deficient number, since it is larger than the sum of its proper divisors (881239).

38420177 is a wasteful number, since it uses less digits than its factorization.

38420177 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 38420177 is about 6198.4011648166. The cubic root of 38420177 is about 337.4321458468.

The spelling of 38420177 in words is "thirty-eight million, four hundred twenty thousand, one hundred seventy-seven".

Divisors: 1 53 277 2617 14681 138701 724909 38420177