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788720945 = 5236858443
BaseRepresentation
bin101111000000101…
…110110100110001
32000222010011201212
4233000232310301
53103403032240
6210133005505
725355005655
oct5700566461
92028104655
10788720945
113752377a1
121a0183895
13c75340ac
1476a70a65
154939a165
hex2f02ed31

788720945 has 8 divisors (see below), whose sum is σ = 987615936. Its totient is φ = 603542896.

The previous prime is 788720929. The next prime is 788720969. The reversal of 788720945 is 549027887.

788720945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 788720945 - 24 = 788720929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 788720893 and 788720902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3429107 + ... + 3429336.

It is an arithmetic number, because the mean of its divisors is an integer number (123451992).

Almost surely, 2788720945 is an apocalyptic number.

It is an amenable number.

788720945 is a deficient number, since it is larger than the sum of its proper divisors (198894991).

788720945 is a wasteful number, since it uses less digits than its factorization.

788720945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858471.

The product of its (nonzero) digits is 1128960, while the sum is 50.

The square root of 788720945 is about 28084.1760605505. The cubic root of 788720945 is about 923.9343735210.

The spelling of 788720945 in words is "seven hundred eighty-eight million, seven hundred twenty thousand, nine hundred forty-five".

Divisors: 1 5 23 115 6858443 34292215 157744189 788720945