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304373993401 = 174232832
BaseRepresentation
bin1000110110111100001…
…10101000111110111001
31002002122100100220200201
410123132012220332321
514441324220242101
6351454423002201
730663446153602
oct4333606507671
91062570326621
10304373993401
111080a2203285
124aba6299361
132291908749a
1410a3600ada9
157db66abe01
hex46de1a8fb9

304373993401 has 45 divisors (see below), whose sum is σ = 342191419129. Its totient is φ = 270713060288.

The previous prime is 304373993393. The next prime is 304373993423. The reversal of 304373993401 is 104399373403.

It is a happy number.

The square root of 304373993401 is 551701.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 94463407801 + 209910585600 = 307349^2 + 458160^2 .

It is not a de Polignac number, because 304373993401 - 23 = 304373993393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (304373993431) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3667156506 + ... + 3667156588.

Almost surely, 2304373993401 is an apocalyptic number.

304373993401 is the 551701-st square number.

304373993401 is the 275851-st centered octagonal number.

It is an amenable number.

304373993401 is a deficient number, since it is larger than the sum of its proper divisors (37817425728).

304373993401 is an frugal number, since it uses more digits than its factorization.

304373993401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 46.

The spelling of 304373993401 in words is "three hundred four billion, three hundred seventy-three million, nine hundred ninety-three thousand, four hundred one".

Divisors: 1 17 23 83 289 391 529 1411 1909 4913 6647 6889 8993 23987 32453 43907 83521 112999 117113 152881 158447 407779 551701 746419 1920983 1990921 2598977 2693599 3644281 6932243 9378917 12689123 33845657 44182609 45791183 61952777 159441589 215715091 575376169 778450111 1053197209 3667156547 13233651887 17904352553 304373993401