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8944949 = 13688073
BaseRepresentation
bin100010000111…
…110100110101
3121211110011102
4202013310311
54242214244
6515415445
7136013366
oct42076465
917743142
108944949
11505a522
122bb4585
131b12590
14128bb6d
15bba54e
hex887d35

8944949 has 4 divisors (see below), whose sum is σ = 9633036. Its totient is φ = 8256864.

The previous prime is 8944939. The next prime is 8944973. The reversal of 8944949 is 9494498.

8944949 is digitally balanced in base 2, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 3972049 + 4972900 = 1993^2 + 2230^2 .

It is a cyclic number.

It is not a de Polignac number, because 8944949 - 28 = 8944693 is a prime.

It is a super-2 number, since 2×89449492 = 160024225225202, 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 (8944919) 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, 344024 + ... + 344049.

It is an arithmetic number, because the mean of its divisors is an integer number (2408259).

Almost surely, 28944949 is an apocalyptic number.

It is an amenable number.

8944949 is a deficient number, since it is larger than the sum of its proper divisors (688087).

8944949 is a wasteful number, since it uses less digits than its factorization.

8944949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688086.

The product of its digits is 373248, while the sum is 47.

The square root of 8944949 is about 2990.8107596436. The cubic root of 8944949 is about 207.5834009347.

It can be divided in two parts, 89449 and 49, that added together give a palindrome (89498).

The spelling of 8944949 in words is "eight million, nine hundred forty-four thousand, nine hundred forty-nine".

Divisors: 1 13 688073 8944949