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4942087 = 17290711
BaseRepresentation
bin10010110110100100000111
3100022002021021
4102312210013
52231121322
6253532011
760002263
oct22664407
910262237
104942087
112876077
1217a4007
131040617
149290a3
156794c7
hex4b6907

4942087 has 4 divisors (see below), whose sum is σ = 5232816. Its totient is φ = 4651360.

The previous prime is 4942073. The next prime is 4942111. The reversal of 4942087 is 7802494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4942087 - 215 = 4909319 is a prime.

It is a Duffinian number.

4942087 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4942057) 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, 145339 + ... + 145372.

It is an arithmetic number, because the mean of its divisors is an integer number (1308204).

Almost surely, 24942087 is an apocalyptic number.

4942087 is a deficient number, since it is larger than the sum of its proper divisors (290729).

4942087 is a wasteful number, since it uses less digits than its factorization.

4942087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290728.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4942087 is about 2223.0805203591. The cubic root of 4942087 is about 170.3348302848.

The spelling of 4942087 in words is "four million, nine hundred forty-two thousand, eighty-seven".

Divisors: 1 17 290711 4942087