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42123233 = 471277057
BaseRepresentation
bin1010000010101…
…1111111100001
32221021002012202
42200223333201
541240420413
64102502545
71021020155
oct240537741
987232182
1042123233
1121860899
1212134a55
13895b0b9
145847065
153a70e58
hex282bfe1

42123233 has 8 divisors (see below), whose sum is σ = 43364352. Its totient is φ = 40896576.

The previous prime is 42123217. The next prime is 42123239. The reversal of 42123233 is 33232124.

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 42123233 - 24 = 42123217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42123239) 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, 2441 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (5420544).

Almost surely, 242123233 is an apocalyptic number.

It is an amenable number.

42123233 is a deficient number, since it is larger than the sum of its proper divisors (1241119).

42123233 is a wasteful number, since it uses less digits than its factorization.

42123233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7231.

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

The square root of 42123233 is about 6490.2413668522. The cubic root of 42123233 is about 347.9423017258.

Adding to 42123233 its reverse (33232124), we get a palindrome (75355357).

The spelling of 42123233 in words is "forty-two million, one hundred twenty-three thousand, two hundred thirty-three".

Divisors: 1 47 127 5969 7057 331679 896239 42123233