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20968483 = 163197653
BaseRepresentation
bin100111111111…
…1010000100011
31110110022100111
41033333100203
520331442413
62025232151
7343141414
oct117772043
943408314
1020968483
1110921a28
127032657
1344621b3
142adb80b
151c92d3d
hex13ff423

20968483 has 8 divisors (see below), whose sum is σ = 21236688. Its totient is φ = 20702304.

The previous prime is 20968481. The next prime is 20968499. The reversal of 20968483 is 38486902.

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

It is not a de Polignac number, because 20968483 - 21 = 20968481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20968481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31785 + ... + 32437.

It is an arithmetic number, because the mean of its divisors is an integer number (2654586).

Almost surely, 220968483 is an apocalyptic number.

20968483 is a deficient number, since it is larger than the sum of its proper divisors (268205).

20968483 is a wasteful number, since it uses less digits than its factorization.

20968483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 20968483 is about 4579.1356171225. The cubic root of 20968483 is about 275.7543278769.

The spelling of 20968483 in words is "twenty million, nine hundred sixty-eight thousand, four hundred eighty-three".

Divisors: 1 163 197 653 32111 106439 128641 20968483