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683084688 = 2431121383109
BaseRepresentation
bin101000101101110…
…000101110010000
31202121100022000220
4220231300232100
52344332202223
6151440513040
722633060356
oct5055605620
91677308026
10683084688
11320646700
1217091b780
13ab699030
1466a137d6
153ee806e3
hex28b70b90

683084688 has 240 divisors, whose sum is σ = 2133405120. Its totient is φ = 187038720.

The previous prime is 683084687. The next prime is 683084693. The reversal of 683084688 is 886480386.

It is a self number, because there is not a number n which added to its sum of digits gives 683084688.

It is not an unprimeable number, because it can be changed into a prime (683084687) 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 47 ways as a sum of consecutive naturals, for example, 6266778 + ... + 6266886.

It is an arithmetic number, because the mean of its divisors is an integer number (8889188).

Almost surely, 2683084688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683084688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066702560).

683084688 is an abundant number, since it is smaller than the sum of its proper divisors (1450320432).

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

683084688 is a wasteful number, since it uses less digits than its factorization.

683084688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The square root of 683084688 is about 26135.8888886527. Note that the first 6 decimals coincide. The cubic root of 683084688 is about 880.6936198089.

The spelling of 683084688 in words is "six hundred eighty-three million, eighty-four thousand, six hundred eighty-eight".