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20235714 = 2341431913
BaseRepresentation
bin100110100110…
…0010111000010
31102002002011220
41031030113002
520140020324
62001415510
7334000152
oct115142702
942062156
1020235714
1110471434
12693a596
1342667c5
14298a762
151b9ab79
hex134c5c2

20235714 has 32 divisors (see below), whose sum is σ = 42444864. Its totient is φ = 6424320.

The previous prime is 20235697. The next prime is 20235727. The reversal of 20235714 is 41753202.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9622 + ... + 11534.

It is an arithmetic number, because the mean of its divisors is an integer number (1326402).

Almost surely, 220235714 is an apocalyptic number.

20235714 is an abundant number, since it is smaller than the sum of its proper divisors (22209150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20235714 is a wasteful number, since it uses less digits than its factorization.

20235714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 20235714 is about 4498.4123866093. The cubic root of 20235714 is about 272.5039765994.

Adding to 20235714 its reverse (41753202), we get a palindrome (61988916).

The spelling of 20235714 in words is "twenty million, two hundred thirty-five thousand, seven hundred fourteen".

Divisors: 1 2 3 6 41 43 82 86 123 129 246 258 1763 1913 3526 3826 5289 5739 10578 11478 78433 82259 156866 164518 235299 246777 470598 493554 3372619 6745238 10117857 20235714