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682950690 = 23451749597
BaseRepresentation
bin101000101101010…
…000000000100010
31202121002111020000
4220231100000202
52344313410230
6151434000430
722631661612
oct5055200042
91677074200
10682950690
11320564a64
12170876116
13ab650046
14669baa42
153ee55b60
hex28b50022

682950690 has 80 divisors (see below), whose sum is σ = 1944439992. Its totient is φ = 171403776.

The previous prime is 682950689. The next prime is 682950701. The reversal of 682950690 is 96059286.

It can be written as a sum of positive squares in 4 ways, for example, as 466948881 + 216001809 = 21609^2 + 14697^2 .

It is a super-2 number, since 2×6829506902 = 932843289942952200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11029 + ... + 38568.

Almost surely, 2682950690 is an apocalyptic number.

682950690 is an abundant number, since it is smaller than the sum of its proper divisors (1261489302).

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

682950690 is a wasteful number, since it uses less digits than its factorization.

682950690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49633 (or 49624 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 682950690 is about 26133.3252763593. The cubic root of 682950690 is about 880.6360286575.

The spelling of 682950690 in words is "six hundred eighty-two million, nine hundred fifty thousand, six hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 17 18 27 30 34 45 51 54 81 85 90 102 135 153 162 170 255 270 306 405 459 510 765 810 918 1377 1530 2295 2754 4590 6885 13770 49597 99194 148791 247985 297582 446373 495970 743955 843149 892746 1339119 1487910 1686298 2231865 2529447 2678238 4017357 4215745 4463730 5058894 6695595 7588341 8034714 8431490 12647235 13391190 15176682 20086785 22765023 25294470 37941705 40173570 45530046 68295069 75883410 113825115 136590138 227650230 341475345 682950690