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424217 = 2831499
BaseRepresentation
bin1100111100100011001
3210112220202
41213210121
5102033332
613031545
73414533
oct1474431
9715822
10424217
1126a7a2
121855b5
1311b121
14b0853
1585a62
hex67919

424217 has 4 divisors (see below), whose sum is σ = 426000. Its totient is φ = 422436.

The previous prime is 424199. The next prime is 424223. The reversal of 424217 is 712424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 424217 - 28 = 423961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 467 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (106500).

2424217 is an apocalyptic number.

It is an amenable number.

424217 is a deficient number, since it is larger than the sum of its proper divisors (1783).

424217 is a wasteful number, since it uses less digits than its factorization.

424217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782.

The product of its digits is 448, while the sum is 20.

The square root of 424217 is about 651.3194300802. The cubic root of 424217 is about 75.1385291566.

The spelling of 424217 in words is "four hundred twenty-four thousand, two hundred seventeen", and thus it is an iban number.

Divisors: 1 283 1499 424217