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993281411 = 19401130369
BaseRepresentation
bin111011001101000…
…100010110000011
32120020000220221102
4323031010112003
54013240001121
6242321245015
733420516113
oct7315042603
92506026842
10993281411
1146a755031
1223879376b
1312aa270a5
1495cbd043
155c30590b
hex3b344583

993281411 has 8 divisors (see below), whose sum is σ = 1048174800. Its totient is φ = 938649600.

The previous prime is 993281383. The next prime is 993281417. The reversal of 993281411 is 114182399.

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 993281411 - 26 = 993281347 is a prime.

It is a super-2 number, since 2×9932814112 = 1973215922876301842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993281417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57566 + ... + 72803.

It is an arithmetic number, because the mean of its divisors is an integer number (131021850).

Almost surely, 2993281411 is an apocalyptic number.

993281411 is a deficient number, since it is larger than the sum of its proper divisors (54893389).

993281411 is a wasteful number, since it uses less digits than its factorization.

993281411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130789.

The product of its digits is 15552, while the sum is 38.

The square root of 993281411 is about 31516.3673509496. The cubic root of 993281411 is about 997.7554360354.

The spelling of 993281411 in words is "nine hundred ninety-three million, two hundred eighty-one thousand, four hundred eleven".

Divisors: 1 19 401 7619 130369 2477011 52277969 993281411