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38485384 = 2372313167
BaseRepresentation
bin1001001011001…
…1110110001000
32200102021000121
42102303312020
534323013014
63452513024
7645056200
oct222636610
980367017
1038485384
111a7a6703
1210a7b774
137c86322
14517b400
1535a3124
hex24b3d88

38485384 has 48 divisors (see below), whose sum is σ = 86676480. Its totient is φ = 15956640.

The previous prime is 38485379. The next prime is 38485409. The reversal of 38485384 is 48358483.

It is a super-2 number, since 2×384853842 = 2962249563254912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38485384.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10569 + ... + 13735.

It is an arithmetic number, because the mean of its divisors is an integer number (1805760).

Almost surely, 238485384 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 38485384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43338240).

38485384 is an abundant number, since it is smaller than the sum of its proper divisors (48191096).

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

38485384 is a wasteful number, since it uses less digits than its factorization.

38485384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3218 (or 3207 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 38485384 is about 6203.6589203469. The cubic root of 38485384 is about 337.6229353705.

The spelling of 38485384 in words is "thirty-eight million, four hundred eighty-five thousand, three hundred eighty-four".

Divisors: 1 2 4 7 8 14 28 31 49 56 62 98 124 196 217 248 392 434 868 1519 1736 3038 3167 6076 6334 12152 12668 22169 25336 44338 88676 98177 155183 177352 196354 310366 392708 620732 687239 785416 1241464 1374478 2748956 4810673 5497912 9621346 19242692 38485384