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314231605 = 5439714293
BaseRepresentation
bin10010101110101…
…100101100110101
3210220021121201121
4102232230230311
51120420402410
651103023541
710533632062
oct2256545465
9726247647
10314231605
11151414946
128929abb1
135014177c
142da39c69
151c8c09da
hex12bacb35

314231605 has 8 divisors (see below), whose sum is σ = 377190072. Its totient is φ = 251310528.

The previous prime is 314231579. The next prime is 314231651. The reversal of 314231605 is 506132413.

It can be written as a sum of positive squares in 4 ways, for example, as 835396 + 313396209 = 914^2 + 17703^2 .

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 314231605 - 223 = 305842997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314231605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14839 + ... + 29131.

It is an arithmetic number, because the mean of its divisors is an integer number (47148759).

Almost surely, 2314231605 is an apocalyptic number.

It is an amenable number.

314231605 is a deficient number, since it is larger than the sum of its proper divisors (62958467).

314231605 is a wasteful number, since it uses less digits than its factorization.

314231605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18695.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 314231605 is about 17726.5790551928. The cubic root of 314231605 is about 679.8555092364.

The spelling of 314231605 in words is "three hundred fourteen million, two hundred thirty-one thousand, six hundred five".

Divisors: 1 5 4397 14293 21985 71465 62846321 314231605