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4881969 = 32542441
BaseRepresentation
bin10010100111111000110001
3100012000210200
4102213320301
52222210334
6252345413
756332101
oct22477061
910160720
104881969
112834994
121775269
13101c151
14911201
15666799
hex4a7e31

4881969 has 6 divisors (see below), whose sum is σ = 7051746. Its totient is φ = 3254640.

The previous prime is 4881967. The next prime is 4881979. The reversal of 4881969 is 9691884.

4881969 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4410000 + 471969 = 2100^2 + 687^2 .

It is not a de Polignac number, because 4881969 - 21 = 4881967 is a prime.

It is a super-2 number, since 2×48819692 = 47667242633922, which contains 22 as substring.

It is a Curzon number.

4881969 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4881967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 271212 + ... + 271229.

It is an arithmetic number, because the mean of its divisors is an integer number (1175291).

Almost surely, 24881969 is an apocalyptic number.

It is an amenable number.

4881969 is a deficient number, since it is larger than the sum of its proper divisors (2169777).

4881969 is a wasteful number, since it uses less digits than its factorization.

4881969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542447 (or 542444 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 4881969 is about 2209.5178207021. The cubic root of 4881969 is about 169.6413314666.

The spelling of 4881969 in words is "four million, eight hundred eighty-one thousand, nine hundred sixty-nine".

Divisors: 1 3 9 542441 1627323 4881969