Base | Representation |
---|---|
bin | 111011010001000… |
… | …1100001010011000 |
3 | 12010121001010011000 |
4 | 1312202030022120 |
5 | 13033100033300 |
6 | 525200105000 |
7 | 100165310652 |
oct | 16642141230 |
9 | 5117033130 |
10 | 1988674200 |
11 | 9306113a7 |
12 | 476005160 |
13 | 2590101c6 |
14 | 14c18b6d2 |
15 | b98c6c00 |
hex | 7688c298 |
1988674200 has 96 divisors (see below), whose sum is σ = 6849896400. Its totient is φ = 530311680.
The previous prime is 1988674169. The next prime is 1988674213. The reversal of 1988674200 is 24768891.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 178737 + ... + 189536.
Almost surely, 21988674200 is an apocalyptic number.
1988674200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1988674200 is an abundant number, since it is smaller than the sum of its proper divisors (4861222200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1988674200 is a wasteful number, since it uses less digits than its factorization.
1988674200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 368298 (or 368283 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 45.
The square root of 1988674200 is about 44594.5534790965. The cubic root of 1988674200 is about 1257.5382774468.
The spelling of 1988674200 in words is "one billion, nine hundred eighty-eight million, six hundred seventy-four thousand, two hundred".
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