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20313035 = 54062607
BaseRepresentation
bin100110101111…
…1001111001011
31102020000020122
41031133033023
520200004120
62003213455
7334441451
oct115371713
942200218
1020313035
1110514536
12697728b
134292a62
1429aa9d1
151bb3a25
hex135f3cb

20313035 has 4 divisors (see below), whose sum is σ = 24375648. Its totient is φ = 16250424.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313035 is 53031302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 53031302 = 226515651.

It is a cyclic number.

It is not a de Polignac number, because 20313035 - 28 = 20312779 is a prime.

It is a super-2 number, since 2×203130352 = 825238781822450, which contains 22 as substring.

It is a Duffinian number.

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, 2031299 + ... + 2031308.

It is an arithmetic number, because the mean of its divisors is an integer number (6093912).

Almost surely, 220313035 is an apocalyptic number.

20313035 is a deficient number, since it is larger than the sum of its proper divisors (4062613).

20313035 is an equidigital number, since it uses as much as digits as its factorization.

20313035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062612.

The product of its (nonzero) digits is 270, while the sum is 17.

The square root of 20313035 is about 4506.9984468602. The cubic root of 20313035 is about 272.8506162117.

Adding to 20313035 its reverse (53031302), we get a palindrome (73344337).

The spelling of 20313035 in words is "twenty million, three hundred thirteen thousand, thirty-five".

Divisors: 1 5 4062607 20313035