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420703543 = 13199916189
BaseRepresentation
bin11001000100110…
…110110100110111
31002022121221202201
4121010312310313
51330200003133
6105425045331
713265630641
oct3104666467
91068557681
10420703543
111a6526887
12b8a86847
1369210010
143dc33891
1526e02d7d
hex19136d37

420703543 has 8 divisors (see below), whose sum is σ = 453320000. Its totient is φ = 388123488.

The previous prime is 420703541. The next prime is 420703553. The reversal of 420703543 is 345307024.

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

It is a cyclic number.

It is not a de Polignac number, because 420703543 - 21 = 420703541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420703541) 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, 17893 + ... + 34081.

It is an arithmetic number, because the mean of its divisors is an integer number (56665000).

Almost surely, 2420703543 is an apocalyptic number.

420703543 is a deficient number, since it is larger than the sum of its proper divisors (32616457).

420703543 is a wasteful number, since it uses less digits than its factorization.

420703543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18201.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 420703543 is about 20511.0590414050. The cubic root of 420703543 is about 749.3051597207.

The spelling of 420703543 in words is "four hundred twenty million, seven hundred three thousand, five hundred forty-three".

Divisors: 1 13 1999 16189 25987 210457 32361811 420703543