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20301476 = 2213390413
BaseRepresentation
bin100110101110…
…0011010100100
31102012102101112
41031130122210
520144121401
62003044152
7334362656
oct115343244
942172345
1020301476
1110506888
126970658
13428a710
1429a66d6
151bb03bb
hex135c6a4

20301476 has 12 divisors (see below), whose sum is σ = 38260572. Its totient is φ = 9369888.

The previous prime is 20301409. The next prime is 20301517. The reversal of 20301476 is 67410302.

It can be written as a sum of positive squares in 2 ways, for example, as 4301476 + 16000000 = 2074^2 + 4000^2 .

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, 195155 + ... + 195258.

It is an arithmetic number, because the mean of its divisors is an integer number (3188381).

Almost surely, 220301476 is an apocalyptic number.

20301476 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

20301476 is a deficient number, since it is larger than the sum of its proper divisors (17959096).

20301476 is a wasteful number, since it uses less digits than its factorization.

20301476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390430 (or 390428 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 20301476 is about 4505.7159253553. The cubic root of 20301476 is about 272.7988517709.

Adding to 20301476 its reverse (67410302), we get a palindrome (87711778).

The spelling of 20301476 in words is "twenty million, three hundred one thousand, four hundred seventy-six".

Divisors: 1 2 4 13 26 52 390413 780826 1561652 5075369 10150738 20301476