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42476439 = 3137103349
BaseRepresentation
bin1010001000001…
…0001110010111
32221221000201110
42202002032113
541333221224
64114230103
71024021005
oct242021627
987830643
1042476439
1121a821a5
1212285333
138a52ab5
1458d9a75
153ae0929
hex2882397

42476439 has 8 divisors (see below), whose sum is σ = 57049200. Its totient is φ = 28110656.

The previous prime is 42476411. The next prime is 42476443. The reversal of 42476439 is 93467424.

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 42476439 - 211 = 42474391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42476397 and 42476406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42476449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51264 + ... + 52085.

It is an arithmetic number, because the mean of its divisors is an integer number (7131150).

Almost surely, 242476439 is an apocalyptic number.

42476439 is a deficient number, since it is larger than the sum of its proper divisors (14572761).

42476439 is a wasteful number, since it uses less digits than its factorization.

42476439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103489.

The product of its digits is 145152, while the sum is 39.

The square root of 42476439 is about 6517.3951084770. The cubic root of 42476439 is about 348.9121022858.

The spelling of 42476439 in words is "forty-two million, four hundred seventy-six thousand, four hundred thirty-nine".

Divisors: 1 3 137 411 103349 310047 14158813 42476439