Search a number
-
+
2030256 = 243223613
BaseRepresentation
bin111101111101010110000
310211010222200
413233222300
51004432011
6111303200
723154054
oct7575260
93733880
102030256
1111673a8
1281ab00
13561147
143abc64
152a1856
hex1efab0

2030256 has 60 divisors (see below), whose sum is σ = 5938608. Its totient is φ = 646272.

The previous prime is 2030251. The next prime is 2030257. The reversal of 2030256 is 6520302.

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

It is not an unprimeable number, because it can be changed into a prime (2030251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3006 + ... + 3618.

22030256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2030256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2969304).

2030256 is an abundant number, since it is smaller than the sum of its proper divisors (3908352).

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

2030256 is a wasteful number, since it uses less digits than its factorization.

2030256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2030256 is about 1424.8705204333. The cubic root of 2030256 is about 126.6242640464.

Adding to 2030256 its reverse (6520302), we get a palindrome (8550558).

It can be divided in two parts, 20 and 30256, that added together give a square (30276 = 1742).

The spelling of 2030256 in words is "two million, thirty thousand, two hundred fifty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 23 24 36 46 48 69 72 92 138 144 184 207 276 368 414 552 613 828 1104 1226 1656 1839 2452 3312 3678 4904 5517 7356 9808 11034 14099 14712 22068 28198 29424 42297 44136 56396 84594 88272 112792 126891 169188 225584 253782 338376 507564 676752 1015128 2030256