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201630046 = 2412458903
BaseRepresentation
bin11000000010010…
…10000101011110
3112001101212102111
430001022011132
5403104130141
632001344234
74665553462
oct1401120536
9461355374
10201630046
11a38a6702
125763807a
1332a08227
141cac84a2
1512a7c381
hexc04a15e

201630046 has 8 divisors (see below), whose sum is σ = 309821904. Its totient is φ = 98356080.

The previous prime is 201630031. The next prime is 201630049. The reversal of 201630046 is 640036102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201629999 and 201630026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201630049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1229370 + ... + 1229533.

It is an arithmetic number, because the mean of its divisors is an integer number (38727738).

Almost surely, 2201630046 is an apocalyptic number.

201630046 is a deficient number, since it is larger than the sum of its proper divisors (108191858).

201630046 is a wasteful number, since it uses less digits than its factorization.

201630046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458946.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 201630046 is about 14199.6495027166. The cubic root of 201630046 is about 586.3880119637.

Adding to 201630046 its reverse (640036102), we get a palindrome (841666148).

The spelling of 201630046 in words is "two hundred one million, six hundred thirty thousand, forty-six".

Divisors: 1 2 41 82 2458903 4917806 100815023 201630046