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38063221 = 717499641
BaseRepresentation
bin1001000100110…
…0110001110101
32122121210220221
42101030301311
534221010341
63435454341
7641350330
oct221146165
978553827
1038063221
111a538509
12108b73b1
137b69121
1450ab617
15351ced1
hex244cc75

38063221 has 16 divisors (see below), whose sum is σ = 46224000. Its totient is φ = 30597120.

The previous prime is 38063209. The next prime is 38063239. The reversal of 38063221 is 12236083.

It is a cyclic number.

It is not a de Polignac number, because 38063221 - 25 = 38063189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38063521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59061 + ... + 59701.

It is an arithmetic number, because the mean of its divisors is an integer number (2889000).

Almost surely, 238063221 is an apocalyptic number.

It is an amenable number.

38063221 is a deficient number, since it is larger than the sum of its proper divisors (8160779).

38063221 is a wasteful number, since it uses less digits than its factorization.

38063221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 38063221 is about 6169.5397721386. The cubic root of 38063221 is about 336.3838825076.

The spelling of 38063221 in words is "thirty-eight million, sixty-three thousand, two hundred twenty-one".

Divisors: 1 7 17 119 499 641 3493 4487 8483 10897 59381 76279 319859 2239013 5437603 38063221