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42876439 = 233535281
BaseRepresentation
bin1010001110001…
…1111000010111
32222200100102021
42203203320113
541434021224
64130554011
71030305124
oct243437027
988610367
1042876439
1122225781
1212438907
138b62b98
1459a174b
153b6e1e4
hex28e3e17

42876439 has 8 divisors (see below), whose sum is σ = 44875872. Its totient is φ = 40888320.

The previous prime is 42876437. The next prime is 42876443. The reversal of 42876439 is 93467824.

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 42876439 - 21 = 42876437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42876395 and 42876404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42876437) 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, 5479 + ... + 10759.

It is an arithmetic number, because the mean of its divisors is an integer number (5609484).

Almost surely, 242876439 is an apocalyptic number.

42876439 is a deficient number, since it is larger than the sum of its proper divisors (1999433).

42876439 is a wasteful number, since it uses less digits than its factorization.

42876439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its digits is 290304, while the sum is 43.

The square root of 42876439 is about 6548.0103084830. The cubic root of 42876439 is about 350.0039156025.

It can be divided in two parts, 428 and 76439, that added together give a palindrome (76867).

The spelling of 42876439 in words is "forty-two million, eight hundred seventy-six thousand, four hundred thirty-nine".

Divisors: 1 23 353 5281 8119 121463 1864193 42876439