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989014975 = 52133043123
BaseRepresentation
bin111010111100110…
…010101110111111
32112221000011111021
4322330302232333
54011141434400
6242050005011
733336326404
oct7274625677
92487004437
10989014975
11468300653
12237276767
13129b92180
14954cc2ab
155bc6171a
hex3af32bbf

989014975 has 12 divisors (see below), whose sum is σ = 1320715816. Its totient is φ = 730349280.

The previous prime is 989014909. The next prime is 989014981. The reversal of 989014975 is 579410989.

It is a de Polignac number, because none of the positive numbers 2k-989014975 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1521237 + ... + 1521886.

Almost surely, 2989014975 is an apocalyptic number.

989014975 is a deficient number, since it is larger than the sum of its proper divisors (331700841).

989014975 is a wasteful number, since it uses less digits than its factorization.

989014975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043146 (or 3043141 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 989014975 is about 31448.6084747799. The cubic root of 989014975 is about 996.3248347067.

It can be divided in two parts, 989014 and 975, that added together give a palindrome (989989).

The spelling of 989014975 in words is "nine hundred eighty-nine million, fourteen thousand, nine hundred seventy-five".

Divisors: 1 5 13 25 65 325 3043123 15215615 39560599 76078075 197802995 989014975