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50420643 = 3713214207
BaseRepresentation
bin1100000001010…
…1101110100011
310111212122010020
43000111232203
5100401430033
65000404523
71151365650
oct300255643
9114778106
1050420643
1126508859
1214a76743
13a5a4a00
1469a6c27
15465e6b3
hex3015ba3

50420643 has 24 divisors (see below), whose sum is σ = 83202048. Its totient is φ = 26593632.

The previous prime is 50420641. The next prime is 50420653. The reversal of 50420643 is 34602405.

It is not a de Polignac number, because 50420643 - 21 = 50420641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50420641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3555 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (3466752).

Almost surely, 250420643 is an apocalyptic number.

50420643 is a deficient number, since it is larger than the sum of its proper divisors (32781405).

50420643 is a wasteful number, since it uses less digits than its factorization.

50420643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14243 (or 14230 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 50420643 is about 7100.7494674858. The cubic root of 50420643 is about 369.4333742392.

The spelling of 50420643 in words is "fifty million, four hundred twenty thousand, six hundred forty-three".

Divisors: 1 3 7 13 21 39 91 169 273 507 1183 3549 14207 42621 99449 184691 298347 554073 1292837 2400983 3878511 7202949 16806881 50420643