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4354989 = 31451663
BaseRepresentation
bin10000100111001110101101
322012020220220
4100213032231
52103324424
6233201553
752005522
oct20471655
98166826
104354989
112504a71
1215602b9
13b96322
14815149
155b0579
hex4273ad

4354989 has 4 divisors (see below), whose sum is σ = 5806656. Its totient is φ = 2903324.

The previous prime is 4354969. The next prime is 4355053. The reversal of 4354989 is 9894534.

4354989 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 4354989 - 211 = 4352941 is a prime.

It is a D-number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 4354989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354939) 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, 725829 + ... + 725834.

It is an arithmetic number, because the mean of its divisors is an integer number (1451664).

Almost surely, 24354989 is an apocalyptic number.

It is an amenable number.

4354989 is a deficient number, since it is larger than the sum of its proper divisors (1451667).

4354989 is a wasteful number, since it uses less digits than its factorization.

4354989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451666.

The product of its digits is 155520, while the sum is 42.

The square root of 4354989 is about 2086.8610399353. The cubic root of 4354989 is about 163.3035731794.

The spelling of 4354989 in words is "four million, three hundred fifty-four thousand, nine hundred eighty-nine".

Divisors: 1 3 1451663 4354989