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4242487 = 12973271
BaseRepresentation
bin10000001011110000110111
321222112121011
4100023300313
52041224422
6230533051
751026524
oct20136067
97875534
104242487
112438497
121507187
13b57062
147c614b
1558c077
hex40bc37

4242487 has 4 divisors (see below), whose sum is σ = 4247056. Its totient is φ = 4237920.

The previous prime is 4242473. The next prime is 4242517. The reversal of 4242487 is 7842424.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4242487 - 215 = 4209719 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 (4242437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339 + ... + 2932.

It is an arithmetic number, because the mean of its divisors is an integer number (1061764).

Almost surely, 24242487 is an apocalyptic number.

4242487 is a deficient number, since it is larger than the sum of its proper divisors (4569).

4242487 is a wasteful number, since it uses less digits than its factorization.

4242487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4568.

The product of its digits is 14336, while the sum is 31.

The square root of 4242487 is about 2059.7298366533. The cubic root of 4242487 is about 161.8850859087.

The spelling of 4242487 in words is "four million, two hundred forty-two thousand, four hundred eighty-seven".

Divisors: 1 1297 3271 4242487