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314109493 = 1718477029
BaseRepresentation
bin10010101110001…
…110111000110101
3210220001102012221
4102232032320311
51120403000433
651100242341
710532613055
oct2256167065
9726042187
10314109493
11151341125
12892403b1
13500cb009
142da07565
151c89972d
hex12b8ee35

314109493 has 4 divisors (see below), whose sum is σ = 332586540. Its totient is φ = 295632448.

The previous prime is 314109491. The next prime is 314109503. The reversal of 314109493 is 394901413.

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

It can be written as a sum of positive squares in 2 ways, for example, as 293334129 + 20775364 = 17127^2 + 4558^2 .

It is not a de Polignac number, because 314109493 - 21 = 314109491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314109491) 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, 9238498 + ... + 9238531.

It is an arithmetic number, because the mean of its divisors is an integer number (83146635).

Almost surely, 2314109493 is an apocalyptic number.

It is an amenable number.

314109493 is a deficient number, since it is larger than the sum of its proper divisors (18477047).

314109493 is a wasteful number, since it uses less digits than its factorization.

314109493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477046.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 314109493 is about 17723.1344011154. The cubic root of 314109493 is about 679.7674327235.

The spelling of 314109493 in words is "three hundred fourteen million, one hundred nine thousand, four hundred ninety-three".

Divisors: 1 17 18477029 314109493