Base | Representation |
---|---|
bin | 111010110110110… |
… | …0000100111011100 |
3 | 12002122001111121000 |
4 | 1311231200213130 |
5 | 13021031124343 |
6 | 523544110300 |
7 | 66640033002 |
oct | 16555404734 |
9 | 5078044530 |
10 | 1974864348 |
11 | 9238398a6 |
12 | 471465390 |
13 | 2561b64b2 |
14 | 14a3d4a72 |
15 | b8599ed3 |
hex | 75b609dc |
1974864348 has 24 divisors (see below), whose sum is σ = 5120018960. Its totient is φ = 658288080.
The previous prime is 1974864337. The next prime is 1974864349. The reversal of 1974864348 is 8434684791.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a junction number, because it is equal to n+sod(n) for n = 1974864294 and 1974864303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1974864349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9142783 + ... + 9142998.
Almost surely, 21974864348 is an apocalyptic number.
1974864348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1974864348 is an abundant number, since it is smaller than the sum of its proper divisors (3145154612).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1974864348 is a wasteful number, since it uses less digits than its factorization.
1974864348 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18285794 (or 18285786 counting only the distinct ones).
The product of its digits is 4644864, while the sum is 54.
The square root of 1974864348 is about 44439.4458561310. The cubic root of 1974864348 is about 1254.6206263772.
The spelling of 1974864348 in words is "one billion, nine hundred seventy-four million, eight hundred sixty-four thousand, three hundred forty-eight".
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