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1020960 = 25325709
BaseRepresentation
bin11111001010000100000
31220212111100
43321100200
5230132320
633514400
711451363
oct3712040
91825440
101020960
11638076
12412a00
13299925
141c80da
15152790
hexf9420

1020960 has 72 divisors (see below), whose sum is σ = 3488940. Its totient is φ = 271872.

The previous prime is 1020959. The next prime is 1020961. The reversal of 1020960 is 690201.

It is an interprime number because it is at equal distance from previous prime (1020959) and next prime (1020961).

It can be written as a sum of positive squares in 2 ways, for example, as 944784 + 76176 = 972^2 + 276^2 .

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1020961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1086 + ... + 1794.

21020960 is an apocalyptic number.

1020960 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 1020960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744470).

1020960 is an abundant number, since it is smaller than the sum of its proper divisors (2467980).

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

1020960 is a wasteful number, since it uses less digits than its factorization.

1020960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730 (or 719 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1020960 is about 1010.4256528810. The cubic root of 1020960 is about 100.6938413739.

The spelling of 1020960 in words is "one million, twenty thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 709 720 1418 1440 2127 2836 3545 4254 5672 6381 7090 8508 10635 11344 12762 14180 17016 21270 22688 25524 28360 31905 34032 42540 51048 56720 63810 68064 85080 102096 113440 127620 170160 204192 255240 340320 510480 1020960