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87384201 = 331639209
BaseRepresentation
bin1010011010101…
…10000010001001
320002102120120220
411031112002021
5134332243301
612400540253
72110516302
oct515260211
9202376526
1087384201
1145365053
1225321689
1315147438
14b8697a9
157a11936
hex5356089

87384201 has 8 divisors (see below), whose sum is σ = 116561760. Its totient is φ = 58231392.

The previous prime is 87384197. The next prime is 87384223. The reversal of 87384201 is 10248378.

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

It is not a de Polignac number, because 87384201 - 22 = 87384197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87384701) 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, 4885 + ... + 14093.

It is an arithmetic number, because the mean of its divisors is an integer number (14570220).

Almost surely, 287384201 is an apocalyptic number.

It is an amenable number.

87384201 is a deficient number, since it is larger than the sum of its proper divisors (29177559).

87384201 is a wasteful number, since it uses less digits than its factorization.

87384201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12375.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 87384201 is about 9347.9517007738. The cubic root of 87384201 is about 443.7560698502.

The spelling of 87384201 in words is "eighty-seven million, three hundred eighty-four thousand, two hundred one".

Divisors: 1 3 3163 9209 9489 27627 29128067 87384201