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310193 = 13107223
BaseRepresentation
bin1001011101110110001
3120202111122
41023232301
534411233
610352025
72431232
oct1135661
9522448
10310193
111a2064
1212b615
13ab260
1481089
1561d98
hex4bbb1

310193 has 8 divisors (see below), whose sum is σ = 338688. Its totient is φ = 282384.

The previous prime is 310187. The next prime is 310223. The reversal of 310193 is 391013.

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

It is a cyclic number.

It is not a de Polignac number, because 310193 - 26 = 310129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (310693) 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, 1280 + ... + 1502.

It is an arithmetic number, because the mean of its divisors is an integer number (42336).

2310193 is an apocalyptic number.

It is an amenable number.

310193 is a deficient number, since it is larger than the sum of its proper divisors (28495).

310193 is a wasteful number, since it uses less digits than its factorization.

310193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 310193 is about 556.9497284316. The cubic root of 310193 is about 67.6930368180.

The spelling of 310193 in words is "three hundred ten thousand, one hundred ninety-three".

Divisors: 1 13 107 223 1391 2899 23861 310193