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8250093 = 3611317
BaseRepresentation
bin11111011110001011101101
3120112011000000
4133132023231
54103000333
6452454513
7130060515
oct37361355
916464000
108250093
114725465
12291a439
13192b217
14114a845
15ace713
hex7de2ed

8250093 has 14 divisors (see below), whose sum is σ = 12370574. Its totient is φ = 5499576.

The previous prime is 8250089. The next prime is 8250103. The reversal of 8250093 is 3900528.

It can be written as a sum of positive squares in only one way, i.e., 8191044 + 59049 = 2862^2 + 243^2 .

It is not a de Polignac number, because 8250093 - 22 = 8250089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8250013) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 4930 + ... + 6387.

Almost surely, 28250093 is an apocalyptic number.

It is an amenable number.

8250093 is a deficient number, since it is larger than the sum of its proper divisors (4120481).

8250093 is an equidigital number, since it uses as much as digits as its factorization.

8250093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11335 (or 11320 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 8250093 is about 2872.2975124454. The cubic root of 8250093 is about 202.0627602915.

The spelling of 8250093 in words is "eight million, two hundred fifty thousand, ninety-three".

Divisors: 1 3 9 27 81 243 729 11317 33951 101853 305559 916677 2750031 8250093