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42233213 = 114781689
BaseRepresentation
bin1010000100011…
…0110101111101
32221110200002002
42201012311331
541302430323
64105112045
71021655621
oct241066575
987420062
1042233213
1121926490
1212188625
138999189
145875181
153a93828
hex2846d7d

42233213 has 8 divisors (see below), whose sum is σ = 47053440. Its totient is φ = 37576480.

The previous prime is 42233207. The next prime is 42233227. The reversal of 42233213 is 31233224.

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 42233213 - 24 = 42233197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40328 + ... + 41361.

It is an arithmetic number, because the mean of its divisors is an integer number (5881680).

Almost surely, 242233213 is an apocalyptic number.

It is an amenable number.

42233213 is a deficient number, since it is larger than the sum of its proper divisors (4820227).

42233213 is a wasteful number, since it uses less digits than its factorization.

42233213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81747.

The product of its digits is 864, while the sum is 20.

The square root of 42233213 is about 6498.7085640149. The cubic root of 42233213 is about 348.2448539930.

Adding to 42233213 its reverse (31233224), we get a palindrome (73466437).

The spelling of 42233213 in words is "forty-two million, two hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 11 47 517 81689 898579 3839383 42233213