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1024000256 = 284197561
BaseRepresentation
bin111101000010010…
…000000100000000
32122100211121021102
4331002100010000
54044121002011
6245335513532
734242600326
oct7502200400
92570747242
101024000256
11486026604
12246b288a8
131341c1316
1499dd7d16
155ed7273b
hex3d090100

1024000256 has 36 divisors (see below), whose sum is σ = 2093875644. Its totient is φ = 499507200.

The previous prime is 1024000247. The next prime is 1024000261. The reversal of 1024000256 is 6520004201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49561600 + 974438656 = 7040^2 + 31216^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38285 + ... + 59276.

Almost surely, 21024000256 is an apocalyptic number.

1024000256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1024000256 is an abundant number, since it is smaller than the sum of its proper divisors (1069875388).

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

1024000256 is an frugal number, since it uses more digits than its factorization.

1024000256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97618 (or 97604 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1024000256 is about 32000.0039999998. The cubic root of 1024000256 is about 1007.9369239106.

Adding to 1024000256 its reverse (6520004201), we get a palindrome (7544004457).

It can be divided in two parts, 1024000 and 256, that multiplied together give a cube (262144000 = 6403).

The spelling of 1024000256 in words is "one billion, twenty-four million, two hundred fifty-six", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 41 64 82 128 164 256 328 656 1312 2624 5248 10496 97561 195122 390244 780488 1560976 3121952 4000001 6243904 8000002 12487808 16000004 24975616 32000008 64000016 128000032 256000064 512000128 1024000256