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394968514 = 21711616721
BaseRepresentation
bin10111100010101…
…011110111000010
31000112012110221111
4113202223313002
51302102443024
6103105313534
712534114463
oct2742536702
91015173844
10394968514
11192a49766
12b03358aa
1363a9c3a5
143a654d6a
1524a1ca94
hex178abdc2

394968514 has 8 divisors (see below), whose sum is σ = 627302988. Its totient is φ = 185867520.

The previous prime is 394968499. The next prime is 394968521. The reversal of 394968514 is 415869493.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 387499225 + 7469289 = 19685^2 + 2733^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5808327 + ... + 5808394.

Almost surely, 2394968514 is an apocalyptic number.

394968514 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

394968514 is a deficient number, since it is larger than the sum of its proper divisors (232334474).

394968514 is a wasteful number, since it uses less digits than its factorization.

394968514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616740.

The product of its digits is 933120, while the sum is 49.

The square root of 394968514 is about 19873.8147822707. The cubic root of 394968514 is about 733.7038962352.

The spelling of 394968514 in words is "three hundred ninety-four million, nine hundred sixty-eight thousand, five hundred fourteen".

Divisors: 1 2 17 34 11616721 23233442 197484257 394968514