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42752233 = 359119087
BaseRepresentation
bin1010001100010…
…1100011101001
32222110001001001
42203011203221
541421032413
64124155001
71026250036
oct243054351
988401031
1042752233
1122150427
1212398a61
138b1b4a4
14596c38d
153b474dd
hex28c58e9

42752233 has 4 divisors (see below), whose sum is σ = 42871680. Its totient is φ = 42632788.

The previous prime is 42752173. The next prime is 42752249. The reversal of 42752233 is 33225724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42752233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42752273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59185 + ... + 59902.

It is an arithmetic number, because the mean of its divisors is an integer number (10717920).

Almost surely, 242752233 is an apocalyptic number.

It is an amenable number.

42752233 is a deficient number, since it is larger than the sum of its proper divisors (119447).

42752233 is a wasteful number, since it uses less digits than its factorization.

42752233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119446.

The product of its digits is 10080, while the sum is 28.

The square root of 42752233 is about 6538.5191748591. The cubic root of 42752233 is about 349.6656207822.

Adding to 42752233 its reverse (33225724), we get a palindrome (75977957).

The spelling of 42752233 in words is "forty-two million, seven hundred fifty-two thousand, two hundred thirty-three".

Divisors: 1 359 119087 42752233