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202105014 = 23191772851
BaseRepresentation
bin11000000101111…
…10000010110110
3112002021222221220
430002332002312
5403214330024
632015451210
75002602306
oct1402760266
9462258856
10202105014
11a40a0541
1257826b06
1332b43487
141cbad606
1512b22e79
hexc0be0b6

202105014 has 16 divisors (see below), whose sum is σ = 425484480. Its totient is φ = 63822600.

The previous prime is 202104971. The next prime is 202105019. The reversal of 202105014 is 410501202.

It is a junction number, because it is equal to n+sod(n) for n = 202104984 and 202105002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202105019) 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 7 ways as a sum of consecutive naturals, for example, 886312 + ... + 886539.

It is an arithmetic number, because the mean of its divisors is an integer number (26592780).

Almost surely, 2202105014 is an apocalyptic number.

202105014 is an abundant number, since it is smaller than the sum of its proper divisors (223379466).

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

202105014 is a wasteful number, since it uses less digits than its factorization.

202105014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772875.

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

The square root of 202105014 is about 14216.3643031543. The cubic root of 202105014 is about 586.8480907703.

Adding to 202105014 its reverse (410501202), we get a palindrome (612606216).

The spelling of 202105014 in words is "two hundred two million, one hundred five thousand, fourteen".

Divisors: 1 2 3 6 19 38 57 114 1772851 3545702 5318553 10637106 33684169 67368338 101052507 202105014