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680603100 = 223522268677
BaseRepresentation
bin101000100100010…
…010110111011100
31202102200012221020
4220210102313130
52343213244400
6151311404140
722603013412
oct5044226734
91672605836
10680603100
1131a201201
1216bb23650
13ab00a638
14665692b2
153eb402a0
hex28912ddc

680603100 has 36 divisors (see below), whose sum is σ = 1969212504. Its totient is φ = 181494080.

The previous prime is 680603093. The next prime is 680603101. The reversal of 680603100 is 1306086.

It is a super-2 number, since 2×6806031002 = 926441159459220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680603101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1134039 + ... + 1134638.

Almost surely, 2680603100 is an apocalyptic number.

680603100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680603100 is an abundant number, since it is smaller than the sum of its proper divisors (1288609404).

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

680603100 is a wasteful number, since it uses less digits than its factorization.

680603100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268694 (or 2268687 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 680603100 is about 26088.3709725234. The cubic root of 680603100 is about 879.6258309426.

Adding to 680603100 its reverse (1306086), we get a palindrome (681909186).

The spelling of 680603100 in words is "six hundred eighty million, six hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 2268677 4537354 6806031 9074708 11343385 13612062 22686770 27224124 34030155 45373540 56716925 68060310 113433850 136120620 170150775 226867700 340301550 680603100