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1056256 = 292063
BaseRepresentation
bin100000001111000000000
31222122220121
410001320000
5232300011
634350024
711656315
oct4017000
91878817
101056256
11661643
1242b314
132aca06
141d6d0c
1515ce71
hex101e00

1056256 has 20 divisors (see below), whose sum is σ = 2111472. Its totient is φ = 527872.

The previous prime is 1056247. The next prime is 1056269. The reversal of 1056256 is 6526501.

It is a super-2 number, since 2×10562562 = 2231353475072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1056256.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520 + ... + 1543.

21056256 is an apocalyptic number.

1056256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1056256 is a deficient number, since it is larger than the sum of its proper divisors (1055216).

1056256 is an frugal number, since it uses more digits than its factorization.

1056256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2065 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1056256 is about 1027.7431585761. The cubic root of 1056256 is about 101.8410956469.

The spelling of 1056256 in words is "one million, fifty-six thousand, two hundred fifty-six".