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314512749 = 32259313477
BaseRepresentation
bin10010101111110…
…001010101101101
3210220210220101100
4102233301111231
51121003401444
651113033313
710536212535
oct2257612555
9726726340
10314512749
111515970a1
12893b5839
135020c725
142dab04c5
151c928e69
hex12bf156d

314512749 has 12 divisors (see below), whose sum is σ = 454505116. Its totient is φ = 209578752.

The previous prime is 314512717. The next prime is 314512799. The reversal of 314512749 is 947215413.

It can be written as a sum of positive squares in 2 ways, for example, as 203062500 + 111450249 = 14250^2 + 10557^2 .

It is not a de Polignac number, because 314512749 - 25 = 314512717 is a prime.

It is a super-3 number, since 3×3145127493 (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314512799) 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 11 ways as a sum of consecutive naturals, for example, 16599 + ... + 30075.

Almost surely, 2314512749 is an apocalyptic number.

It is an amenable number.

314512749 is a deficient number, since it is larger than the sum of its proper divisors (139992367).

314512749 is a wasteful number, since it uses less digits than its factorization.

314512749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076 (or 16073 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 314512749 is about 17734.5072951013. The cubic root of 314512749 is about 680.0582050812.

The spelling of 314512749 in words is "three hundred fourteen million, five hundred twelve thousand, seven hundred forty-nine".

Divisors: 1 3 9 2593 7779 13477 23337 40431 121293 34945861 104837583 314512749