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3256480 = 25520353
BaseRepresentation
bin1100011011000010100000
320010110001101
430123002200
51313201410
6153444144
736452053
oct14330240
96113041
103256480
111924707
121110654
138a0316
1460aa9a
15444d3a
hex31b0a0

3256480 has 24 divisors (see below), whose sum is σ = 7693812. Its totient is φ = 1302528.

The previous prime is 3256471. The next prime is 3256483. The reversal of 3256480 is 846523.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 59536 = 1788^2 + 244^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3256483) 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, 10017 + ... + 10336.

Almost surely, 23256480 is an apocalyptic number.

It is an amenable number.

3256480 is an abundant number, since it is smaller than the sum of its proper divisors (4437332).

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

3256480 is a wasteful number, since it uses less digits than its factorization.

3256480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20368 (or 20360 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 3256480 is about 1804.5719714104. The cubic root of 3256480 is about 148.2231840872.

The spelling of 3256480 in words is "three million, two hundred fifty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 20353 40706 81412 101765 162824 203530 325648 407060 651296 814120 1628240 3256480