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87444627 = 397300497
BaseRepresentation
bin1010011011001…
…00110010010011
320002112122110220
411031210302103
5134341212002
612402124123
72111160414
oct515446223
9202478426
1087444627
11453a6496
1225350643
1315168aaa
14b88380b
157a247bc
hex5364c93

87444627 has 8 divisors (see below), whose sum is σ = 117795216. Its totient is φ = 57695232.

The previous prime is 87444619. The next prime is 87444629. The reversal of 87444627 is 72644478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87444627 - 23 = 87444619 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87444629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149958 + ... + 150539.

It is an arithmetic number, because the mean of its divisors is an integer number (14724402).

Almost surely, 287444627 is an apocalyptic number.

87444627 is a deficient number, since it is larger than the sum of its proper divisors (30350589).

87444627 is a wasteful number, since it uses less digits than its factorization.

87444627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300597.

The product of its digits is 301056, while the sum is 42.

The square root of 87444627 is about 9351.1831871694. The cubic root of 87444627 is about 443.8583317604.

The spelling of 87444627 in words is "eighty-seven million, four hundred forty-four thousand, six hundred twenty-seven".

Divisors: 1 3 97 291 300497 901491 29148209 87444627