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1150286020 = 2251330714411
BaseRepresentation
bin100010010001111…
…1111100011000100
32222011110120202221
41010203333203010
54323433123040
6310050342124
740335161362
oct10443774304
92864416687
101150286020
11540340a04
1228128a944
13154409320
14acaac632
156aeba74a
hex448ff8c4

1150286020 has 48 divisors (see below), whose sum is σ = 2610070848. Its totient is φ = 423308160.

The previous prime is 1150286017. The next prime is 1150286023. The reversal of 1150286020 is 206820511.

It is an interprime number because it is at equal distance from previous prime (1150286017) and next prime (1150286023).

It is not an unprimeable number, because it can be changed into a prime (1150286023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72615 + ... + 87025.

It is an arithmetic number, because the mean of its divisors is an integer number (54376476).

Almost surely, 21150286020 is an apocalyptic number.

1150286020 is a gapful number since it is divisible by the number (10) 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 1150286020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305035424).

1150286020 is an abundant number, since it is smaller than the sum of its proper divisors (1459784828).

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

1150286020 is a wasteful number, since it uses less digits than its factorization.

1150286020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14740 (or 14738 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1150286020 is about 33915.8667882748. The cubic root of 1150286020 is about 1047.7764039909.

The spelling of 1150286020 in words is "one billion, one hundred fifty million, two hundred eighty-six thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 307 614 1228 1535 3070 3991 6140 7982 14411 15964 19955 28822 39910 57644 72055 79820 144110 187343 288220 374686 749372 936715 1873430 3746860 4424177 8848354 17696708 22120885 44241770 57514301 88483540 115028602 230057204 287571505 575143010 1150286020