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831700030 = 25721697347
BaseRepresentation
bin110001100100101…
…011110000111110
32010221222201221211
4301210223300332
53200403400110
6214310115034
726416222300
oct6144536076
92127881854
10831700030
113975225a7
121b264ba7a
131034018c5
147c65b970
154d03998a
hex3192bc3e

831700030 has 24 divisors (see below), whose sum is σ = 1741479048. Its totient is φ = 285154128.

The previous prime is 831700021. The next prime is 831700063. The reversal of 831700030 is 30007138.

It is a junction number, because it is equal to n+sod(n) for n = 831699974 and 831700010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 848184 + ... + 849163.

It is an arithmetic number, because the mean of its divisors is an integer number (72561627).

Almost surely, 2831700030 is an apocalyptic number.

831700030 is an abundant number, since it is smaller than the sum of its proper divisors (909779018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

831700030 is a wasteful number, since it uses less digits than its factorization.

831700030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1697368 (or 1697361 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 831700030 is about 28839.2099406346. The cubic root of 831700030 is about 940.4208278688.

Adding to 831700030 its reverse (30007138), we get a palindrome (861707168).

The spelling of 831700030 in words is "eight hundred thirty-one million, seven hundred thousand, thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 1697347 3394694 8486735 11881429 16973470 23762858 59407145 83170003 118814290 166340006 415850015 831700030