Search a number
-
+
308314293 = 3714681633
BaseRepresentation
bin10010011000001…
…000000010110101
3210111010222200220
4102120020002311
51112412024133
650332124553
710432425330
oct2230100265
9714128626
10308314293
11149043101
1287306759
134bb4c2c1
142cd39617
151c1025b3
hex126080b5

308314293 has 8 divisors (see below), whose sum is σ = 469812288. Its totient is φ = 176179584.

The previous prime is 308314289. The next prime is 308314309. The reversal of 308314293 is 392413803.

It is a happy number.

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

It is not a de Polignac number, because 308314293 - 22 = 308314289 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308314213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7340796 + ... + 7340837.

It is an arithmetic number, because the mean of its divisors is an integer number (58726536).

Almost surely, 2308314293 is an apocalyptic number.

It is an amenable number.

308314293 is a deficient number, since it is larger than the sum of its proper divisors (161497995).

308314293 is a wasteful number, since it uses less digits than its factorization.

308314293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14681643.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 308314293 is about 17558.8807445122. The cubic root of 308314293 is about 675.5609734422.

The spelling of 308314293 in words is "three hundred eight million, three hundred fourteen thousand, two hundred ninety-three".

Divisors: 1 3 7 21 14681633 44044899 102771431 308314293