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42877487 = 377914669
BaseRepresentation
bin1010001110010…
…0001000101111
32222200101212002
42203210020233
541434034422
64131002515
71030311152
oct243441057
988611762
1042877487
1122226544
121243943b
138b634c3
1459a1c99
153b6e692
hex28e422f

42877487 has 8 divisors (see below), whose sum is σ = 44596800. Its totient is φ = 41187744.

The previous prime is 42877453. The next prime is 42877529. The reversal of 42877487 is 78477824.

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 42877487 - 26 = 42877423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42877427) 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, 4412 + ... + 10257.

It is an arithmetic number, because the mean of its divisors is an integer number (5574600).

Almost surely, 242877487 is an apocalyptic number.

42877487 is a deficient number, since it is larger than the sum of its proper divisors (1719313).

42877487 is a wasteful number, since it uses less digits than its factorization.

42877487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785.

The product of its digits is 702464, while the sum is 47.

The square root of 42877487 is about 6548.0903323030. The cubic root of 42877487 is about 350.0067672161.

The spelling of 42877487 in words is "forty-two million, eight hundred seventy-seven thousand, four hundred eighty-seven".

Divisors: 1 37 79 2923 14669 542753 1158851 42877487