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4290905 = 51316551
BaseRepresentation
bin10000010111100101011001
322002000000102
4100113211121
52044302110
6231545145
751320633
oct20274531
98060012
104290905
112470903
12152b1b5
13b730c8
147d9a53
1559b5a5
hex417959

4290905 has 8 divisors (see below), whose sum is σ = 5189184. Its totient is φ = 3406000.

The previous prime is 4290899. The next prime is 4290911. The reversal of 4290905 is 5090924.

It is an interprime number because it is at equal distance from previous prime (4290899) and next prime (4290911).

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

It is not a de Polignac number, because 4290905 - 24 = 4290889 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2621 + ... + 3930.

It is an arithmetic number, because the mean of its divisors is an integer number (648648).

Almost surely, 24290905 is an apocalyptic number.

It is an amenable number.

4290905 is a deficient number, since it is larger than the sum of its proper divisors (898279).

4290905 is a wasteful number, since it uses less digits than its factorization.

4290905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6687.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 4290905 is about 2071.4499752589. The cubic root of 4290905 is about 162.4986035383.

The spelling of 4290905 in words is "four million, two hundred ninety thousand, nine hundred five".

Divisors: 1 5 131 655 6551 32755 858181 4290905