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680446050 = 235219257929
BaseRepresentation
bin101000100011101…
…100100001100010
31202102101020111120
4220203230201202
52343143233200
6151304153110
722601460504
oct5043544142
91672336446
10680446050
1131a104209
1216ba68796
13aac83ccb
1466527d74
153eb0d9a0
hex288ec862

680446050 has 96 divisors (see below), whose sum is σ = 1785153600. Its totient is φ = 171048960.

The previous prime is 680446043. The next prime is 680446051. The reversal of 680446050 is 50644086.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (680446051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 731986 + ... + 732914.

It is an arithmetic number, because the mean of its divisors is an integer number (18595350).

Almost surely, 2680446050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680446050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892576800).

680446050 is an abundant number, since it is smaller than the sum of its proper divisors (1104707550).

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

680446050 is a wasteful number, since it uses less digits than its factorization.

680446050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 680446050 is about 26085.3608370672. The cubic root of 680446050 is about 879.5581674914.

The spelling of 680446050 in words is "six hundred eighty million, four hundred forty-six thousand, fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 150 190 257 285 475 514 570 771 929 950 1285 1425 1542 1858 2570 2787 2850 3855 4645 4883 5574 6425 7710 9290 9766 12850 13935 14649 17651 19275 23225 24415 27870 29298 35302 38550 46450 48830 52953 69675 73245 88255 105906 122075 139350 146490 176510 238753 244150 264765 366225 441275 477506 529530 716259 732450 882550 1193765 1323825 1432518 2387530 2647650 3581295 4536307 5968825 7162590 9072614 11937650 13608921 17906475 22681535 27217842 35812950 45363070 68044605 113407675 136089210 226815350 340223025 680446050