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989035033 = 7141290719
BaseRepresentation
bin111010111100110…
…111101000011001
32112221001012000011
4322330313220121
54011143110113
6242050241521
733336442030
oct7274675031
92487035004
10989035033
11468314728
122372862a1
13129b9b33c
14954d5717
155bc6763d
hex3af37a19

989035033 has 4 divisors (see below), whose sum is σ = 1130325760. Its totient is φ = 847744308.

The previous prime is 989035013. The next prime is 989035037. The reversal of 989035033 is 330530989.

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 an emirpimes, since its reverse is a distinct semiprime: 330530989 = 1132925053.

It is a cyclic number.

It is not a de Polignac number, because 989035033 - 25 = 989035001 is a prime.

It is a super-2 number, since 2×9890350332 = 1956380593002622178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (989035037) 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, 70645353 + ... + 70645366.

It is an arithmetic number, because the mean of its divisors is an integer number (282581440).

Almost surely, 2989035033 is an apocalyptic number.

It is an amenable number.

989035033 is a deficient number, since it is larger than the sum of its proper divisors (141290727).

989035033 is a wasteful number, since it uses less digits than its factorization.

989035033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141290726.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 989035033 is about 31448.9273743955. The cubic root of 989035033 is about 996.3315700777.

The spelling of 989035033 in words is "nine hundred eighty-nine million, thirty-five thousand, thirty-three".

Divisors: 1 7 141290719 989035033