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1012256 = 2574519
BaseRepresentation
bin11110111001000100000
31220102112222
43313020200
5224343011
633410212
711414120
oct3671040
91812488
101012256
11631583
12409968
1329598b
141c4c80
1514eddb
hexf7220

1012256 has 24 divisors (see below), whose sum is σ = 2278080. Its totient is φ = 433728.

The previous prime is 1012241. The next prime is 1012259. The reversal of 1012256 is 6522101.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1012259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036 + ... + 2483.

It is an arithmetic number, because the mean of its divisors is an integer number (94920).

21012256 is an apocalyptic number.

1012256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1012256 is an abundant number, since it is smaller than the sum of its proper divisors (1265824).

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

1012256 is an equidigital number, since it uses as much as digits as its factorization.

1012256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4536 (or 4528 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1012256 is about 1006.1093379946. The cubic root of 1012256 is about 100.4068756105.

Adding to 1012256 its reverse (6522101), we get a palindrome (7534357).

The spelling of 1012256 in words is "one million, twelve thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 4519 9038 18076 31633 36152 63266 72304 126532 144608 253064 506128 1012256