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4280506 = 22140253
BaseRepresentation
bin10000010101000010111010
322001110202021
4100111002322
52043434011
6231425054
751245416
oct20250272
98043667
104280506
11246400a
12152518a
13b6b459
147d5d46
15598471
hex4150ba

4280506 has 4 divisors (see below), whose sum is σ = 6420762. Its totient is φ = 2140252.

The previous prime is 4280503. The next prime is 4280527. The reversal of 4280506 is 6050824.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2295225 + 1985281 = 1515^2 + 1409^2 .

It is not an unprimeable number, because it can be changed into a prime (4280503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070125 + ... + 1070128.

Almost surely, 24280506 is an apocalyptic number.

4280506 is a deficient number, since it is larger than the sum of its proper divisors (2140256).

4280506 is a wasteful number, since it uses less digits than its factorization.

4280506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140255.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4280506 is about 2068.9383751093. The cubic root of 4280506 is about 162.3672256655.

The spelling of 4280506 in words is "four million, two hundred eighty thousand, five hundred six".

Divisors: 1 2 2140253 4280506