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1138080 = 25352371
BaseRepresentation
bin100010101110110100000
32010211011010
410111312200
5242404310
640220520
712450006
oct4256640
92124133
101138080
11708069
1246a740
1330b028
14218a76
15177320
hex115da0

1138080 has 48 divisors (see below), whose sum is σ = 3586464. Its totient is φ = 303360.

The previous prime is 1138061. The next prime is 1138091. The reversal of 1138080 is 808311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706 + ... + 1665.

It is an arithmetic number, because the mean of its divisors is an integer number (74718).

21138080 is an apocalyptic number.

1138080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138080 is an abundant number, since it is smaller than the sum of its proper divisors (2448384).

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

1138080 is a wasteful number, since it uses less digits than its factorization.

1138080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2389 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 1138080 is about 1066.8083239270. The cubic root of 1138080 is about 104.4057130503.

The spelling of 1138080 in words is "one million, one hundred thirty-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 240 480 2371 4742 7113 9484 11855 14226 18968 23710 28452 35565 37936 47420 56904 71130 75872 94840 113808 142260 189680 227616 284520 379360 569040 1138080