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200021514 = 23711563769
BaseRepresentation
bin10111110110000…
…01011000001010
3111221101010221020
423323001120022
5402201142024
631503053310
74646104050
oct1373013012
9457333836
10200021514
11a29a8140
1256ba1236
1332594034
141c7ca1d0
1512860979
hexbec160a

200021514 has 64 divisors (see below), whose sum is σ = 500290560. Its totient is φ = 51793920.

The previous prime is 200021513. The next prime is 200021527. The reversal of 200021514 is 415120002.

It is a junction number, because it is equal to n+sod(n) for n = 200021493 and 200021502.

It is not an unprimeable number, because it can be changed into a prime (200021513) 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 in 31 ways as a sum of consecutive naturals, for example, 259722 + ... + 260490.

It is an arithmetic number, because the mean of its divisors is an integer number (7817040).

Almost surely, 2200021514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200021514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250145280).

200021514 is an abundant number, since it is smaller than the sum of its proper divisors (300269046).

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

200021514 is a wasteful number, since it uses less digits than its factorization.

200021514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 200021514 is about 14142.8962380412. The cubic root of 200021514 is about 584.8245159966.

Adding to 200021514 its reverse (415120002), we get a palindrome (615141516).

The spelling of 200021514 in words is "two hundred million, twenty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 154 231 462 563 769 1126 1538 1689 2307 3378 3941 4614 5383 6193 7882 8459 10766 11823 12386 16149 16918 18579 23646 25377 32298 37158 43351 50754 59213 86702 118426 130053 177639 260106 355278 432947 865894 1298841 2597682 3030629 4762417 6061258 9091887 9524834 14287251 18183774 28574502 33336919 66673838 100010757 200021514