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86221003 = 117838273
BaseRepresentation
bin1010010001110…
…10000011001011
320000020110222111
411020322003023
5134033033003
612320003151
72064603121
oct510720313
9200213874
1086221003
1144740130
1224a604b7
1314b2ab5b
14b645911
157881e6d
hex523a0cb

86221003 has 4 divisors (see below), whose sum is σ = 94059288. Its totient is φ = 78382720.

The previous prime is 86221001. The next prime is 86221033. The reversal of 86221003 is 30012268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86221003 - 21 = 86221001 is a prime.

It is a super-2 number, since 2×862210032 = 14868122716652018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86221001) 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, 3919126 + ... + 3919147.

It is an arithmetic number, because the mean of its divisors is an integer number (23514822).

Almost surely, 286221003 is an apocalyptic number.

86221003 is a deficient number, since it is larger than the sum of its proper divisors (7838285).

86221003 is a wasteful number, since it uses less digits than its factorization.

86221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838284.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 86221003 is about 9285.5265332667. The cubic root of 86221003 is about 441.7782768289.

The spelling of 86221003 in words is "eighty-six million, two hundred twenty-one thousand, three".

Divisors: 1 11 7838273 86221003