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314049947 = 1109283183
BaseRepresentation
bin10010101110000…
…000010110011011
3210212221101112112
4102232000112123
51120344044242
651055102535
710532244341
oct2256002633
9725841475
10314049947
11151300412
1289211a4b
13500a9b93
142d9cd991
151c886c82
hex12b8059b

314049947 has 4 divisors (see below), whose sum is σ = 314334240. Its totient is φ = 313765656.

The previous prime is 314049929. The next prime is 314049949. The reversal of 314049947 is 749940413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749940413 = 4715956179.

It is a cyclic number.

It is not a de Polignac number, because 314049947 - 222 = 309855643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (314049949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140483 + ... + 142700.

It is an arithmetic number, because the mean of its divisors is an integer number (78583560).

Almost surely, 2314049947 is an apocalyptic number.

314049947 is a deficient number, since it is larger than the sum of its proper divisors (284293).

314049947 is a wasteful number, since it uses less digits than its factorization.

314049947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284292.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 314049947 is about 17721.4544267676. The cubic root of 314049947 is about 679.7244753148.

The spelling of 314049947 in words is "three hundred fourteen million, forty-nine thousand, nine hundred forty-seven".

Divisors: 1 1109 283183 314049947