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1024128 = 27327127
BaseRepresentation
bin11111010000010000000
31221000211200
43322002000
5230233003
633541200
711463540
oct3720200
91830750
101024128
1163a496
12414800
1329b1c1
141c9320
151536a3
hexfa080

1024128 has 96 divisors (see below), whose sum is σ = 3394560. Its totient is φ = 290304.

The previous prime is 1024103. The next prime is 1024151. The reversal of 1024128 is 8214201.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1024128.

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 11 ways as a sum of consecutive naturals, for example, 8001 + ... + 8127.

It is an arithmetic number, because the mean of its divisors is an integer number (35360).

21024128 is an apocalyptic number.

1024128 is a gapful number since it is divisible by the number (18) 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 1024128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697280).

1024128 is an abundant number, since it is smaller than the sum of its proper divisors (2370432).

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

1024128 is a wasteful number, since it uses less digits than its factorization.

1024128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1024128 is about 1011.9920948308. The cubic root of 1024128 is about 100.7978835534.

1024128 divided by its product of nonzero digits (128) gives a triangular number (8001 = T126).

Adding to 1024128 its reverse (8214201), we get a palindrome (9238329).

It can be divided in two parts, 1024 and 128, that multiplied together give a 17-th power (131072 = 217).

The spelling of 1024128 in words is "one million, twenty-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 127 128 144 168 192 224 252 254 288 336 381 384 448 504 508 576 672 762 889 896 1008 1016 1143 1152 1344 1524 1778 2016 2032 2286 2667 2688 3048 3556 4032 4064 4572 5334 6096 7112 8001 8064 8128 9144 10668 12192 14224 16002 16256 18288 21336 24384 28448 32004 36576 42672 48768 56896 64008 73152 85344 113792 128016 146304 170688 256032 341376 512064 1024128