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8380293 = 367173241
BaseRepresentation
bin11111111101111110000101
3120202202121020
4133331332011
54121132133
6455341353
7131142225
oct37757605
916682536
108380293
114804269
122981859
13197556c
141182085
15b080b3
hex7fdf85

8380293 has 16 divisors (see below), whose sum is σ = 11453376. Its totient is φ = 5448960.

The previous prime is 8380291. The next prime is 8380321. The reversal of 8380293 is 3920838.

It is not a de Polignac number, because 8380293 - 21 = 8380291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34653 + ... + 34893.

It is an arithmetic number, because the mean of its divisors is an integer number (715836).

Almost surely, 28380293 is an apocalyptic number.

It is an amenable number.

8380293 is a deficient number, since it is larger than the sum of its proper divisors (3073083).

8380293 is a wasteful number, since it uses less digits than its factorization.

8380293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 8380293 is about 2894.8735723689. The cubic root of 8380293 is about 203.1201776528.

The spelling of 8380293 in words is "eight million, three hundred eighty thousand, two hundred ninety-three".

Divisors: 1 3 67 173 201 241 519 723 11591 16147 34773 41693 48441 125079 2793431 8380293