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683884290 = 235195992003
BaseRepresentation
bin101000110000110…
…011111100000010
31202122211220212210
4220300303330002
52400033244130
6151510002550
722642630515
oct5060637402
91678756783
10683884290
11321042431
12171046456
13ab8b8c7b
1466b80d7c
154008c5b0
hex28c33f02

683884290 has 64 divisors (see below), whose sum is σ = 1731456000. Its totient is φ = 172396224.

The previous prime is 683884261. The next prime is 683884291. The reversal of 683884290 is 92488386.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (683884291) 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 31 ways as a sum of consecutive naturals, for example, 340429 + ... + 342431.

It is an arithmetic number, because the mean of its divisors is an integer number (27054000).

Almost surely, 2683884290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683884290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (865728000).

683884290 is an abundant number, since it is smaller than the sum of its proper divisors (1047571710).

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

683884290 is a wasteful number, since it uses less digits than its factorization.

683884290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 683884290 is about 26151.1814264671. The cubic root of 683884290 is about 881.0371251829.

The spelling of 683884290 in words is "six hundred eighty-three million, eight hundred eighty-four thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 599 1198 1797 2003 2995 3594 4006 5990 6009 8985 10015 11381 12018 17970 20030 22762 30045 34143 38057 56905 60090 68286 76114 113810 114171 170715 190285 228342 341430 380570 570855 1141710 1199797 2399594 3599391 5998985 7198782 11997970 17996955 22796143 35993910 45592286 68388429 113980715 136776858 227961430 341942145 683884290