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19680614 = 266114887
BaseRepresentation
bin100101100010…
…0110101100110
31101000212201122
41023010311212
520014234424
61541453542
7326165612
oct113046546
941025648
1019680614
1110122378
1267112b2
134100c45
142884342
151adb45e
hex12c4d66

19680614 has 8 divisors (see below), whose sum is σ = 29567568. Its totient is φ = 9824760.

The previous prime is 19680607. The next prime is 19680641. The reversal of 19680614 is 41608691.

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

It is a congruent number.

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, 6122 + ... + 8765.

It is an arithmetic number, because the mean of its divisors is an integer number (3695946).

Almost surely, 219680614 is an apocalyptic number.

19680614 is a deficient number, since it is larger than the sum of its proper divisors (9886954).

19680614 is a wasteful number, since it uses less digits than its factorization.

19680614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15550.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 19680614 is about 4436.2838051685. The cubic root of 19680614 is about 269.9890896369.

The spelling of 19680614 in words is "nineteen million, six hundred eighty thousand, six hundred fourteen".

Divisors: 1 2 661 1322 14887 29774 9840307 19680614