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42889107 = 316785607
BaseRepresentation
bin1010001110011…
…0111110010011
32222200222210110
42203212332103
541434422412
64131132403
71030360062
oct243467623
988628713
1042889107
1122234248
1212444103
138b68891
1459a61d9
153b72d3c
hex28e6f93

42889107 has 8 divisors (see below), whose sum is σ = 57528576. Its totient is φ = 28421192.

The previous prime is 42889087. The next prime is 42889109. The reversal of 42889107 is 70198824.

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 42889107 - 28 = 42888851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42889109) 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, 42303 + ... + 43304.

It is an arithmetic number, because the mean of its divisors is an integer number (7191072).

Almost surely, 242889107 is an apocalyptic number.

42889107 is a deficient number, since it is larger than the sum of its proper divisors (14639469).

42889107 is a wasteful number, since it uses less digits than its factorization.

42889107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85777.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 42889107 is about 6548.9775537865. The cubic root of 42889107 is about 350.0383821853.

The spelling of 42889107 in words is "forty-two million, eight hundred eighty-nine thousand, one hundred seven".

Divisors: 1 3 167 501 85607 256821 14296369 42889107