Base | Representation |
---|---|
bin | 111010111100101… |
… | …1110010011011000 |
3 | 12002211221211201111 |
4 | 1311321132103120 |
5 | 13022332004400 |
6 | 524135230104 |
7 | 100005504412 |
oct | 16571362330 |
9 | 5084854644 |
10 | 1978000600 |
11 | 925591144 |
12 | 472518334 |
13 | 256a43b74 |
14 | 14a9ad9b2 |
15 | b89b93ba |
hex | 75e5e4d8 |
1978000600 has 48 divisors (see below), whose sum is σ = 4601792520. Its totient is φ = 790694400.
The previous prime is 1978000561. The next prime is 1978000603. The reversal of 1978000600 is 60008791.
1978000600 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1978000603) 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, 564855 + ... + 568345.
Almost surely, 21978000600 is an apocalyptic number.
1978000600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1978000600 is an abundant number, since it is smaller than the sum of its proper divisors (2623791920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1978000600 is a wasteful number, since it uses less digits than its factorization.
1978000600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6340 (or 6331 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 31.
The square root of 1978000600 is about 44474.7186612799. The cubic root of 1978000600 is about 1255.2844230836.
The spelling of 1978000600 in words is "one billion, nine hundred seventy-eight million, six hundred", and thus it is an aban number.
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