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1128906080 = 25517415039
BaseRepresentation
bin100001101001001…
…1011110101100000
32220200020101000022
41003102123311200
54302444443310
6304004213012
736655354241
oct10322336540
92820211008
101128906080
1152a268935
1227609a168
1314cb61a83
14a9d04cc8
1569195a55
hex4349bd60

1128906080 has 48 divisors (see below), whose sum is σ = 2823932160. Its totient is φ = 424998912.

The previous prime is 1128906067. The next prime is 1128906083. The reversal of 1128906080 is 806098211.

It is a self number, because there is not a number n which added to its sum of digits gives 1128906080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128906083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204800 + ... + 210239.

It is an arithmetic number, because the mean of its divisors is an integer number (58831920).

Almost surely, 21128906080 is an apocalyptic number.

1128906080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128906080 is an abundant number, since it is smaller than the sum of its proper divisors (1695026080).

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

1128906080 is a wasteful number, since it uses less digits than its factorization.

1128906080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415071 (or 415063 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1128906080 is about 33599.1976094668. The cubic root of 1128906080 is about 1041.2442209216.

The spelling of 1128906080 in words is "one billion, one hundred twenty-eight million, nine hundred six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 415039 830078 1660156 2075195 3320312 4150390 6640624 7055663 8300780 13281248 14111326 16601560 28222652 33203120 35278315 56445304 66406240 70556630 112890608 141113260 225781216 282226520 564453040 1128906080