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4780429 is a prime number
BaseRepresentation
bin10010001111000110001101
322222212111221
4102033012031
52210433204
6250243341
755430053
oct22170615
98885457
104780429
112775675
121726551
13cb4b74
148c61d3
15646654
hex48f18d

4780429 has 2 divisors, whose sum is σ = 4780430. Its totient is φ = 4780428.

The previous prime is 4780427. The next prime is 4780453. The reversal of 4780429 is 9240874.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 328329 = 2110^2 + 573^2 .

It is a cyclic number.

It is not a de Polignac number, because 4780429 - 21 = 4780427 is a prime.

Together with 4780427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4780394 and 4780403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4780427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390214 + 2390215.

It is an arithmetic number, because the mean of its divisors is an integer number (2390215).

Almost surely, 24780429 is an apocalyptic number.

It is an amenable number.

4780429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4780429 is an equidigital number, since it uses as much as digits as its factorization.

4780429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4780429 is about 2186.4192187227. The cubic root of 4780429 is about 168.4569593656.

The spelling of 4780429 in words is "four million, seven hundred eighty thousand, four hundred twenty-nine".