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42620223 = 314519791
BaseRepresentation
bin1010001010010…
…1010100111111
32222012022221210
42202211110333
541402321343
64121255503
71025160132
oct242452477
988168853
1042620223
1122070228
1212334593
138aa3389
145936219
153b1d333
hex28a553f

42620223 has 8 divisors (see below), whose sum is σ = 56871936. Its totient is φ = 28391000.

The previous prime is 42620213. The next prime is 42620233. The reversal of 42620223 is 32202624.

It is an interprime number because it is at equal distance from previous prime (42620213) and next prime (42620233).

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 42620223 - 25 = 42620191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42620223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42620213) 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, 543 + ... + 9248.

It is an arithmetic number, because the mean of its divisors is an integer number (7108992).

Almost surely, 242620223 is an apocalyptic number.

42620223 is a deficient number, since it is larger than the sum of its proper divisors (14251713).

42620223 is a wasteful number, since it uses less digits than its factorization.

42620223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11245.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42620223 is about 6528.4165767818. The cubic root of 42620223 is about 349.3053514879.

Adding to 42620223 its reverse (32202624), we get a palindrome (74822847).

The spelling of 42620223 in words is "forty-two million, six hundred twenty thousand, two hundred twenty-three".

Divisors: 1 3 1451 4353 9791 29373 14206741 42620223