Base | Representation |
---|---|
bin | 1010010000010100… |
… | …0111010010001010 |
3 | 21002211212221010220 |
4 | 2210011013102022 |
5 | 21114204211403 |
6 | 1133054050510 |
7 | 125134306401 |
oct | 24405072212 |
9 | 7084787126 |
10 | 2752803978 |
11 | 1192982411 |
12 | 649aa9a36 |
13 | 34b4141c2 |
14 | 1c185a638 |
15 | 111a15953 |
hex | a414748a |
2752803978 has 8 divisors (see below), whose sum is σ = 5505607968. Its totient is φ = 917601324.
The previous prime is 2752803973. The next prime is 2752803983. The reversal of 2752803978 is 8793082572.
It is an interprime number because it is at equal distance from previous prime (2752803973) and next prime (2752803983).
It is a sphenic number, since it is the product of 3 distinct primes.
2752803978 is an admirable number.
It is a self number, because there is not a number n which added to its sum of digits gives 2752803978.
It is not an unprimeable number, because it can be changed into a prime (2752803973) 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, 229400326 + ... + 229400337.
It is an arithmetic number, because the mean of its divisors is an integer number (688200996).
Almost surely, 22752803978 is an apocalyptic number.
2752803978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2752803978 is a wasteful number, since it uses less digits than its factorization.
2752803978 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 458800668.
The product of its (nonzero) digits is 1693440, while the sum is 51.
The square root of 2752803978 is about 52467.1704783096. The cubic root of 2752803978 is about 1401.4956767090.
The spelling of 2752803978 in words is "two billion, seven hundred fifty-two million, eight hundred three thousand, nine hundred seventy-eight".
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