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993689468 = 221601155167
BaseRepresentation
bin111011001110100…
…111111101111100
32120020210122200122
4323032213331330
54013341030333
6242334114112
733424135562
oct7316477574
92506718618
10993689468
1146aa03672
1223894b938
1312ab3aa45
1495d87a32
155c386798
hex3b3a7f7c

993689468 has 12 divisors (see below), whose sum is σ = 1740053952. Its totient is φ = 496531200.

The previous prime is 993689467. The next prime is 993689471. The reversal of 993689468 is 864986399.

It is a super-3 number, since 3×9936894683 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 993689468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993689461) 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, 71180 + ... + 83987.

It is an arithmetic number, because the mean of its divisors is an integer number (145004496).

Almost surely, 2993689468 is an apocalyptic number.

It is an amenable number.

993689468 is a deficient number, since it is larger than the sum of its proper divisors (746364484).

993689468 is a wasteful number, since it uses less digits than its factorization.

993689468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156772 (or 156770 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 62.

The square root of 993689468 is about 31522.8404177035. The cubic root of 993689468 is about 997.8920489981.

The spelling of 993689468 in words is "nine hundred ninety-three million, six hundred eighty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 4 1601 3202 6404 155167 310334 620668 248422367 496844734 993689468