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3491411989 = 131811483813
BaseRepresentation
bin1101000000011010…
…1011100000010101
3100000022201002212011
43100012223200111
524122300140424
61334241024221
7152343340462
oct32006534025
910008632764
103491411989
1115318a155a
12815325071
13438450670
142519a4669
151567b2694
hexd01ab815

3491411989 has 8 divisors (see below), whose sum is σ = 3780758072. Its totient is φ = 3205033920.

The previous prime is 3491411981. The next prime is 3491412073. The reversal of 3491411989 is 9891141943.

It can be written as a sum of positive squares in 4 ways, for example, as 190909489 + 3300502500 = 13817^2 + 57450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3491411989 - 23 = 3491411981 is a prime.

It is a super-2 number, since 2×34914119892 = 24379915353865872242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3491411981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 739554 + ... + 744259.

It is an arithmetic number, because the mean of its divisors is an integer number (472594759).

Almost surely, 23491411989 is an apocalyptic number.

It is an amenable number.

3491411989 is a deficient number, since it is larger than the sum of its proper divisors (289346083).

3491411989 is a wasteful number, since it uses less digits than its factorization.

3491411989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484007.

The product of its digits is 279936, while the sum is 49.

The square root of 3491411989 is about 59088.1713120316. The cubic root of 3491411989 is about 1517.0516469770.

The spelling of 3491411989 in words is "three billion, four hundred ninety-one million, four hundred eleven thousand, nine hundred eighty-nine".

Divisors: 1 13 181 2353 1483813 19289569 268570153 3491411989