Base | Representation |
---|---|
bin | 111001111100110… |
… | …110111001100100 |
3 | 2111202110122212210 |
4 | 321330312321210 |
5 | 3442344123240 |
6 | 240250443420 |
7 | 33044013105 |
oct | 7174667144 |
9 | 2452418783 |
10 | 972254820 |
11 | 4598a3489 |
12 | 231733570 |
13 | 126574614 |
14 | 931a83ac |
15 | 5a550780 |
hex | 39f36e64 |
972254820 has 48 divisors (see below), whose sum is σ = 2882452608. Its totient is φ = 244016640.
The previous prime is 972254813. The next prime is 972254849. The reversal of 972254820 is 28452279.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475576 + ... + 477615.
It is an arithmetic number, because the mean of its divisors is an integer number (60051096).
Almost surely, 2972254820 is an apocalyptic number.
It is an amenable number.
972254820 is an abundant number, since it is smaller than the sum of its proper divisors (1910197788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
972254820 is a wasteful number, since it uses less digits than its factorization.
972254820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 953220 (or 953218 counting only the distinct ones).
The product of its (nonzero) digits is 80640, while the sum is 39.
The square root of 972254820 is about 31181.0009460890. Note that the first 3 decimals coincide. The cubic root of 972254820 is about 990.6647305928.
The spelling of 972254820 in words is "nine hundred seventy-two million, two hundred fifty-four thousand, eight hundred twenty".
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