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40200213 = 341326831
BaseRepresentation
bin1001100101011…
…0100000010101
32210122101022210
42121112200111
540242401323
63553344033
7665460534
oct231264025
983571283
1040200213
1120768019
1211568019
138436a11
1454a631b
1537e1293
hex2656815

40200213 has 8 divisors (see below), whose sum is σ = 54907776. Its totient is φ = 26146400.

The previous prime is 40200203. The next prime is 40200253. The reversal of 40200213 is 31200204.

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 40200213 - 29 = 40199701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200203) 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 7 ways as a sum of consecutive naturals, for example, 163293 + ... + 163538.

It is an arithmetic number, because the mean of its divisors is an integer number (6863472).

Almost surely, 240200213 is an apocalyptic number.

It is an amenable number.

40200213 is a deficient number, since it is larger than the sum of its proper divisors (14707563).

40200213 is a wasteful number, since it uses less digits than its factorization.

40200213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326875.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 40200213 is about 6340.3637908246. The cubic root of 40200213 is about 342.5648389863.

Adding to 40200213 its reverse (31200204), we get a palindrome (71400417).

Subtracting from 40200213 its reverse (31200204), we obtain a palindrome (9000009).

The spelling of 40200213 in words is "forty million, two hundred thousand, two hundred thirteen".

Divisors: 1 3 41 123 326831 980493 13400071 40200213