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4464989 = 12793491
BaseRepresentation
bin10001000010000101011101
322101211210222
4101002011131
52120334424
6235411125
752644314
oct21020535
98354728
104464989
11257a681
1215b3aa5
13c04409
1484327b
155d2e5e
hex44215d

4464989 has 4 divisors (see below), whose sum is σ = 4469760. Its totient is φ = 4460220.

The previous prime is 4464983. The next prime is 4465009. The reversal of 4464989 is 9894644.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4464989 is a prime.

It is a super-2 number, since 2×44649892 = 39872253540242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4464983) 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 + ... + 3024.

It is an arithmetic number, because the mean of its divisors is an integer number (1117440).

Almost surely, 24464989 is an apocalyptic number.

It is an amenable number.

4464989 is a deficient number, since it is larger than the sum of its proper divisors (4771).

4464989 is a wasteful number, since it uses less digits than its factorization.

4464989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770.

The product of its digits is 248832, while the sum is 44.

The square root of 4464989 is about 2113.0520580431. The cubic root of 4464989 is about 164.6670850920.

The spelling of 4464989 in words is "four million, four hundred sixty-four thousand, nine hundred eighty-nine".

Divisors: 1 1279 3491 4464989