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87050487 = 367433087
BaseRepresentation
bin1010011000001…
…00100011110111
320001210121211010
411030010203313
5134241103422
612345443303
72104626336
oct514044367
9201717733
1087050487
1145157357
12251a0533
131505b584
14b7bdd1d
157997b0c
hex53048f7

87050487 has 8 divisors (see below), whose sum is σ = 117799936. Its totient is φ = 57167352.

The previous prime is 87050479. The next prime is 87050501. The reversal of 87050487 is 78405078.

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

It is not a de Polignac number, because 87050487 - 23 = 87050479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87050407) 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, 216343 + ... + 216744.

It is an arithmetic number, because the mean of its divisors is an integer number (14724992).

Almost surely, 287050487 is an apocalyptic number.

87050487 is a deficient number, since it is larger than the sum of its proper divisors (30749449).

87050487 is a wasteful number, since it uses less digits than its factorization.

87050487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433157.

The product of its (nonzero) digits is 62720, while the sum is 39.

The square root of 87050487 is about 9330.0850478439. The cubic root of 87050487 is about 443.1904583538.

The spelling of 87050487 in words is "eighty-seven million, fifty thousand, four hundred eighty-seven".

Divisors: 1 3 67 201 433087 1299261 29016829 87050487