Base | Representation |
---|---|
bin | 10111100010100… |
… | …11100001001100 |
3 | 111202120201220221 |
4 | 23301103201030 |
5 | 401023140010 |
6 | 31332321124 |
7 | 4615335025 |
oct | 1361234114 |
9 | 452521827 |
10 | 197474380 |
11 | a1518474 |
12 | 561731a4 |
13 | 31bb185c |
14 | 1c325c4c |
15 | 1250adda |
hex | bc5384c |
197474380 has 24 divisors (see below), whose sum is σ = 439090848. Its totient is φ = 74343168.
The previous prime is 197474377. The next prime is 197474399. The reversal of 197474380 is 83474791.
It is a super-2 number, since 2×1974743802 = 77992261512768800, which contains 22 as substring.
It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.
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 7 ways as a sum of consecutive naturals, for example, 290064 + ... + 290743.
It is an arithmetic number, because the mean of its divisors is an integer number (18295452).
Almost surely, 2197474380 is an apocalyptic number.
197474380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
197474380 is an abundant number, since it is smaller than the sum of its proper divisors (241616468).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
197474380 is a wasteful number, since it uses less digits than its factorization.
197474380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 580833 (or 580831 counting only the distinct ones).
The product of its (nonzero) digits is 169344, while the sum is 43.
The square root of 197474380 is about 14052.5577742986. The cubic root of 197474380 is about 582.3314597709.
The spelling of 197474380 in words is "one hundred ninety-seven million, four hundred seventy-four thousand, three hundred eighty".
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