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87088201 = 432025307
BaseRepresentation
bin1010011000011…
…01110001001001
320001212112112221
411030031301021
5134243310301
612350334041
72105144314
oct514156111
9201775487
1087088201
1145182722
12251ba321
13150727a5
14b7cd97b
1579a3da1
hex530dc49

87088201 has 4 divisors (see below), whose sum is σ = 89113552. Its totient is φ = 85062852.

The previous prime is 87088187. The next prime is 87088217. The reversal of 87088201 is 10288078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 87088201 - 215 = 87055433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87088241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012611 + ... + 1012696.

It is an arithmetic number, because the mean of its divisors is an integer number (22278388).

Almost surely, 287088201 is an apocalyptic number.

It is an amenable number.

87088201 is a deficient number, since it is larger than the sum of its proper divisors (2025351).

87088201 is a wasteful number, since it uses less digits than its factorization.

87088201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025350.

The product of its (nonzero) digits is 7168, while the sum is 34.

The square root of 87088201 is about 9332.1059252454. The cubic root of 87088201 is about 443.2544521437.

The spelling of 87088201 in words is "eighty-seven million, eighty-eight thousand, two hundred one".

Divisors: 1 43 2025307 87088201