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10620769 is a prime number
BaseRepresentation
bin101000100000…
…111101100001
3201222120221211
4220200331201
510204331034
61015350121
7156163225
oct50407541
921876854
1010620769
115aa45a5
123682341
13227b2a3
1415a6785
15debd64
hexa20f61

10620769 has 2 divisors, whose sum is σ = 10620770. Its totient is φ = 10620768.

The previous prime is 10620751. The next prime is 10620781. The reversal of 10620769 is 96702601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10112400 + 508369 = 3180^2 + 713^2 .

It is an emirp because it is prime and its reverse (96702601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10620769 - 25 = 10620737 is a prime.

It is a super-2 number, since 2×106207692 = 225601468302722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10620769.

It is not a weakly prime, because it can be changed into another prime (10620719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5310384 + 5310385.

It is an arithmetic number, because the mean of its divisors is an integer number (5310385).

Almost surely, 210620769 is an apocalyptic number.

It is an amenable number.

10620769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10620769 is an equidigital number, since it uses as much as digits as its factorization.

10620769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 10620769 is about 3258.9521322045. The cubic root of 10620769 is about 219.8122985786.

It can be divided in two parts, 106207 and 69, that added together give a square (106276 = 3262).

The spelling of 10620769 in words is "ten million, six hundred twenty thousand, seven hundred sixty-nine".