Base | Representation |
---|---|
bin | 101000100010010… |
… | …001100110000000 |
3 | 1202101200022121010 |
4 | 220202101212000 |
5 | 2343044323400 |
6 | 151252200520 |
7 | 22565346603 |
oct | 5042214600 |
9 | 1671608533 |
10 | 680073600 |
11 | 31997a3a8 |
12 | 16b909140 |
13 | aab8361b |
14 | 6646c33a |
15 | 3ea88450 |
hex | 28891980 |
680073600 has 96 divisors (see below), whose sum is σ = 2240024040. Its totient is φ = 181350400.
The previous prime is 680073587. The next prime is 680073619. The reversal of 680073600 is 6370086.
It is a tau number, because it is divible by the number of its divisors (96).
It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25821 + ... + 45020.
Almost surely, 2680073600 is an apocalyptic number.
680073600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
680073600 is an abundant number, since it is smaller than the sum of its proper divisors (1559950440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680073600 is a wasteful number, since it uses less digits than its factorization.
680073600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70868 (or 70851 counting only the distinct ones).
The product of its (nonzero) digits is 6048, while the sum is 30.
The square root of 680073600 is about 26078.2207982063. The cubic root of 680073600 is about 879.3976594306.
The spelling of 680073600 in words is "six hundred eighty million, seventy-three thousand, six hundred".
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