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38545648 = 243177713
BaseRepresentation
bin1001001100001…
…0100011110000
32200112022200121
42103002203300
534331430043
63454100024
7645426661
oct223024360
980468617
1038545648
111a837a09
1210aaa614
137ca789b
145195368
1535b5ded
hex24c28f0

38545648 has 20 divisors (see below), whose sum is σ = 77092288. Its totient is φ = 18650880.

The previous prime is 38545603. The next prime is 38545649. The reversal of 38545648 is 84654583.

38545648 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38545649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38361 + ... + 39352.

Almost surely, 238545648 is an apocalyptic number.

It is an amenable number.

38545648 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38545648 is a wasteful number, since it uses less digits than its factorization.

38545648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77752 (or 77746 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The square root of 38545648 is about 6208.5141539663. The cubic root of 38545648 is about 337.7990706158.

It can be divided in two parts, 38545 and 648, that added together give a palindrome (39193).

The spelling of 38545648 in words is "thirty-eight million, five hundred forty-five thousand, six hundred forty-eight".

Divisors: 1 2 4 8 16 31 62 124 248 496 77713 155426 310852 621704 1243408 2409103 4818206 9636412 19272824 38545648