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38061728 = 254725307
BaseRepresentation
bin1001000100110…
…0011010100000
32122121201212122
42101030122200
534220433403
63435443412
7641343065
oct221143240
978551778
1038061728
111a537381
12108b6568
137b68543
1450aac6c
15351c838
hex244c6a0

38061728 has 24 divisors (see below), whose sum is σ = 76531392. Its totient is φ = 18625216.

The previous prime is 38061721. The next prime is 38061763. The reversal of 38061728 is 82716083.

It is not an unprimeable number, because it can be changed into a prime (38061721) 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, 11150 + ... + 14157.

It is an arithmetic number, because the mean of its divisors is an integer number (3188808).

Almost surely, 238061728 is an apocalyptic number.

It is an amenable number.

38061728 is an abundant number, since it is smaller than the sum of its proper divisors (38469664).

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

38061728 is a wasteful number, since it uses less digits than its factorization.

38061728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25364 (or 25356 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 38061728 is about 6169.4187732719. The cubic root of 38061728 is about 336.3794843187.

The spelling of 38061728 in words is "thirty-eight million, sixty-one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 25307 50614 101228 202456 404912 809824 1189429 2378858 4757716 9515432 19030864 38061728