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38866080 = 25351117433
BaseRepresentation
bin1001010001000…
…0110010100000
32201010121020110
42110100302200
534422203310
63505011320
7651233121
oct224206240
981117213
1038866080
111aa36730
1211023b40
13808a6a6
14523a048
15362ad20
hex2510ca0

38866080 has 192 divisors, whose sum is σ = 141740928. Its totient is φ = 8847360.

The previous prime is 38866049. The next prime is 38866099. The reversal of 38866080 is 8066883.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89544 + ... + 89976.

It is an arithmetic number, because the mean of its divisors is an integer number (738234).

Almost surely, 238866080 is an apocalyptic number.

38866080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38866080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70870464).

38866080 is an abundant number, since it is smaller than the sum of its proper divisors (102874848).

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

38866080 is a wasteful number, since it uses less digits than its factorization.

38866080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 471 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 38866080 is about 6234.2665968019. The cubic root of 38866080 is about 338.7325358752.

The spelling of 38866080 in words is "thirty-eight million, eight hundred sixty-six thousand, eighty".