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20313214 = 210156607
BaseRepresentation
bin100110101111…
…1010001111110
31102020000111021
41031133101332
520200010324
62003214354
7334442125
oct115372176
942200437
1020313214
1110514689
1269773ba
134292b6c
1429aaabc
151bb3ae4
hex135f47e

20313214 has 4 divisors (see below), whose sum is σ = 30469824. Its totient is φ = 10156606.

The previous prime is 20313203. The next prime is 20313229. The reversal of 20313214 is 41231302.

It is a happy number.

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

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5078302 + ... + 5078305.

It is an arithmetic number, because the mean of its divisors is an integer number (7617456).

Almost surely, 220313214 is an apocalyptic number.

20313214 is a deficient number, since it is larger than the sum of its proper divisors (10156610).

20313214 is a wasteful number, since it uses less digits than its factorization.

20313214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156609.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 20313214 is about 4507.0183048219. The cubic root of 20313214 is about 272.8514176694.

Adding to 20313214 its reverse (41231302), we get a palindrome (61544516).

The spelling of 20313214 in words is "twenty million, three hundred thirteen thousand, two hundred fourteen".

Divisors: 1 2 10156607 20313214