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2020474 = 21010237
BaseRepresentation
bin111101101010001111010
310210122120101
413231101322
51004123344
6111150014
723113411
oct7552172
93718511
102020474
111160015
1281530a
13559861
143a8478
1529d9d4
hex1ed47a

2020474 has 4 divisors (see below), whose sum is σ = 3030714. Its totient is φ = 1010236.

The previous prime is 2020471. The next prime is 2020477. The reversal of 2020474 is 4740202.

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

It is an interprime number because it is at equal distance from previous prime (2020471) and next prime (2020477).

It can be written as a sum of positive squares in only one way, i.e., 1306449 + 714025 = 1143^2 + 845^2 .

It is not an unprimeable number, because it can be changed into a prime (2020471) 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 as a sum of consecutive naturals, namely, 505117 + ... + 505120.

22020474 is an apocalyptic number.

2020474 is a deficient number, since it is larger than the sum of its proper divisors (1010240).

2020474 is a wasteful number, since it uses less digits than its factorization.

2020474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010239.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2020474 is about 1421.4337831922. The cubic root of 2020474 is about 126.4205732816.

Adding to 2020474 its reverse (4740202), we get a palindrome (6760676).

The spelling of 2020474 in words is "two million, twenty thousand, four hundred seventy-four".

Divisors: 1 2 1010237 2020474