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1642200229 = 19432010037
BaseRepresentation
bin110000111100001…
…1111110010100101
311020110002102012201
41201320133302211
511330400401404
6430542014501
755460320525
oct14170376245
94213072181
101642200229
11772a8537a
12399b77431
132022bcc17
1411815b685
1599287ca4
hex61e1fca5

1642200229 has 8 divisors (see below), whose sum is σ = 1768833440. Its totient is φ = 1519587216.

The previous prime is 1642200223. The next prime is 1642200233. The reversal of 1642200229 is 9220022461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1642200229 - 29 = 1642199717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1642200197 and 1642200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642200223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1004202 + ... + 1005835.

It is an arithmetic number, because the mean of its divisors is an integer number (221104180).

Almost surely, 21642200229 is an apocalyptic number.

1642200229 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1642200229 is a deficient number, since it is larger than the sum of its proper divisors (126633211).

1642200229 is a wasteful number, since it uses less digits than its factorization.

1642200229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010099.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1642200229 is about 40524.0697487308. The cubic root of 1642200229 is about 1179.8008447289.

The spelling of 1642200229 in words is "one billion, six hundred forty-two million, two hundred thousand, two hundred twenty-nine".

Divisors: 1 19 43 817 2010037 38190703 86431591 1642200229