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1214256 = 24341617
BaseRepresentation
bin100101000011100110000
32021200122110
410220130300
5302324011
642005320
713215051
oct4503460
92250573
101214256
1175a31a
124a6840
133368c4
14238728
1518eba6
hex128730

1214256 has 40 divisors (see below), whose sum is σ = 3218544. Its totient is φ = 394240.

The previous prime is 1214237. The next prime is 1214261. The reversal of 1214256 is 6524121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1660 + ... + 2276.

21214256 is an apocalyptic number.

1214256 is a gapful number since it is divisible by the number (16) 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 1214256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1609272).

1214256 is an abundant number, since it is smaller than the sum of its proper divisors (2004288).

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

1214256 is a wasteful number, since it uses less digits than its factorization.

1214256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 663 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 1214256 is about 1101.9328473187. The cubic root of 1214256 is about 106.6850142050.

Adding to 1214256 its reverse (6524121), we get a palindrome (7738377).

The spelling of 1214256 in words is "one million, two hundred fourteen thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 16 24 41 48 82 123 164 246 328 492 617 656 984 1234 1851 1968 2468 3702 4936 7404 9872 14808 25297 29616 50594 75891 101188 151782 202376 303564 404752 607128 1214256