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42234623 = 473792371
BaseRepresentation
bin1010000100011…
…1001011111111
32221110202000022
42201013023333
541303001443
64105122355
71021663004
oct241071377
987422008
1042234623
1121927552
12121893bb
138999a02
1458758ab
153a93e68
hex28472ff

42234623 has 8 divisors (see below), whose sum is σ = 43265280. Its totient is φ = 41209560.

The previous prime is 42234593. The next prime is 42234629. The reversal of 42234623 is 32643224.

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 42234623 - 212 = 42230527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42234592 and 42234601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234629) 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, 16628 + ... + 18998.

It is an arithmetic number, because the mean of its divisors is an integer number (5408160).

Almost surely, 242234623 is an apocalyptic number.

42234623 is a deficient number, since it is larger than the sum of its proper divisors (1030657).

42234623 is a wasteful number, since it uses less digits than its factorization.

42234623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797.

The product of its digits is 6912, while the sum is 26.

The square root of 42234623 is about 6498.8170462016. The cubic root of 42234623 is about 348.2487294561.

Adding to 42234623 its reverse (32643224), we get a palindrome (74877847).

The spelling of 42234623 in words is "forty-two million, two hundred thirty-four thousand, six hundred twenty-three".

Divisors: 1 47 379 2371 17813 111437 898609 42234623