Base | Representation |
---|---|
bin | 1101000011010… |
… | …10011001111100 |
3 | 21122000112221111 |
4 | 12201222121330 |
5 | 211012101430 |
6 | 14510411404 |
7 | 2466426145 |
oct | 641523174 |
9 | 248015844 |
10 | 109487740 |
11 | 5689183a |
12 | 30800b64 |
13 | 198b615b |
14 | 10780acc |
15 | 992ac2a |
hex | 686a67c |
109487740 has 12 divisors (see below), whose sum is σ = 229924296. Its totient is φ = 43795088.
The previous prime is 109487723. The next prime is 109487743. The reversal of 109487740 is 47784901.
It is a junction number, because it is equal to n+sod(n) for n = 109487693 and 109487702.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (109487743) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2737174 + ... + 2737213.
It is an arithmetic number, because the mean of its divisors is an integer number (19160358).
Almost surely, 2109487740 is an apocalyptic number.
109487740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
109487740 is an abundant number, since it is smaller than the sum of its proper divisors (120436556).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109487740 is a wasteful number, since it uses less digits than its factorization.
109487740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5474396 (or 5474394 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 40.
The square root of 109487740 is about 10463.6389463704. The cubic root of 109487740 is about 478.3970545916.
The spelling of 109487740 in words is "one hundred nine million, four hundred eighty-seven thousand, seven hundred forty".
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