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38014728 = 2334767503
BaseRepresentation
bin1001000100000…
…0111100001000
32122112100101220
42101000330020
534212432403
63434442040
7641056053
oct221007410
978470356
1038014728
111a505034
1210893320
137b5002b
145097a9a
15350d953
hex2440f08

38014728 has 64 divisors (see below), whose sum is σ = 98703360. Its totient is φ = 12192576.

The previous prime is 38014723. The next prime is 38014729. The reversal of 38014728 is 82741083.

It is not an unprimeable number, because it can be changed into a prime (38014723) 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, 75325 + ... + 75827.

It is an arithmetic number, because the mean of its divisors is an integer number (1542240).

Almost surely, 238014728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38014728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49351680).

38014728 is an abundant number, since it is smaller than the sum of its proper divisors (60688632).

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

38014728 is a wasteful number, since it uses less digits than its factorization.

38014728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 38014728 is about 6165.6084857863. The cubic root of 38014728 is about 336.2409694327.

The spelling of 38014728 in words is "thirty-eight million, fourteen thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 47 67 94 134 141 188 201 268 282 376 402 503 536 564 804 1006 1128 1509 1608 2012 3018 3149 4024 6036 6298 9447 12072 12596 18894 23641 25192 33701 37788 47282 67402 70923 75576 94564 101103 134804 141846 189128 202206 269608 283692 404412 567384 808824 1583947 3167894 4751841 6335788 9503682 12671576 19007364 38014728