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38009880 = 23325195557
BaseRepresentation
bin1001000011111…
…1110000011000
32122112002202100
42100333300120
534212304010
63434403400
7641035656
oct220776030
978462670
1038009880
111a501427
1210890560
137b4aa6c
145095dd6
15350c2c0
hex243fc18

38009880 has 96 divisors (see below), whose sum is σ = 130057200. Its totient is φ = 9600768.

The previous prime is 38009879. The next prime is 38009897. The reversal of 38009880 is 8890083.

It is a super-2 number, since 2×380098802 = 2889501955228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4062 + ... + 9618.

Almost surely, 238009880 is an apocalyptic number.

38009880 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 38009880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65028600).

38009880 is an abundant number, since it is smaller than the sum of its proper divisors (92047320).

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

38009880 is a wasteful number, since it uses less digits than its factorization.

38009880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5593 (or 5586 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 38009880 is about 6165.2153247068. The cubic root of 38009880 is about 336.2266752752.

The spelling of 38009880 in words is "thirty-eight million, nine thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 30 36 38 40 45 57 60 72 76 90 95 114 120 152 171 180 190 228 285 342 360 380 456 570 684 760 855 1140 1368 1710 2280 3420 5557 6840 11114 16671 22228 27785 33342 44456 50013 55570 66684 83355 100026 105583 111140 133368 166710 200052 211166 222280 250065 316749 333420 400104 422332 500130 527915 633498 666840 844664 950247 1000260 1055830 1266996 1583745 1900494 2000520 2111660 2533992 3167490 3800988 4223320 4751235 6334980 7601976 9502470 12669960 19004940 38009880