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989414748 = 223273926249
BaseRepresentation
bin111010111110010…
…100010101011100
32112221202110212200
4322332110111130
54011242232443
6242102331500
733342613050
oct7276242534
92487673780
10989414748
11468553a43
12237429b90
13129ca211a
1495593c60
155bcdedd3
hex3af9455c

989414748 has 36 divisors (see below), whose sum is σ = 2858310000. Its totient is φ = 282689856.

The previous prime is 989414729. The next prime is 989414761. The reversal of 989414748 is 847414989.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 989414694 and 989414703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1962873 + ... + 1963376.

It is an arithmetic number, because the mean of its divisors is an integer number (79397500).

Almost surely, 2989414748 is an apocalyptic number.

It is an amenable number.

989414748 is an abundant number, since it is smaller than the sum of its proper divisors (1868895252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

989414748 is a wasteful number, since it uses less digits than its factorization.

989414748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3926266 (or 3926261 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 989414748 is about 31454.9638054155. The cubic root of 989414748 is about 996.4590592040.

It can be divided in two parts, 9894 and 14748, that added together give a palindrome (24642).

The spelling of 989414748 in words is "nine hundred eighty-nine million, four hundred fourteen thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 3926249 7852498 11778747 15704996 23557494 27483743 35336241 47114988 54967486 70672482 82451229 109934972 141344964 164902458 247353687 329804916 494707374 989414748