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3838080 = 27351999
BaseRepresentation
bin1110101001000010000000
321012222212010
432221002000
51440304310
6214132520
744423511
oct16510200
97188763
103838080
112191674
121351140
13a44c6c
1471ca08
1550c320
hex3a9080

3838080 has 64 divisors (see below), whose sum is σ = 12240000. Its totient is φ = 1022976.

The previous prime is 3838027. The next prime is 3838097. The reversal of 3838080 is 808383.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921 + ... + 2919.

It is an arithmetic number, because the mean of its divisors is an integer number (191250).

Almost surely, 23838080 is an apocalyptic number.

3838080 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 3838080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6120000).

3838080 is an abundant number, since it is smaller than the sum of its proper divisors (8401920).

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

3838080 is a wasteful number, since it uses less digits than its factorization.

3838080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021 (or 2009 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 3838080 is about 1959.1018350254. The cubic root of 3838080 is about 156.5686021781.

The spelling of 3838080 in words is "three million, eight hundred thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 1999 3998 5997 7996 9995 11994 15992 19990 23988 29985 31984 39980 47976 59970 63968 79960 95952 119940 127936 159920 191904 239880 255872 319840 383808 479760 639680 767616 959520 1279360 1919040 3838080