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428076107 is a prime number
BaseRepresentation
bin11001100000111…
…110110001001011
31002211111112000122
4121200332301023
51334041413412
6110251053455
713415405204
oct3140766113
91084445018
10428076107
111aa701a08
12bb44128b
136a8c1994
1440bd25ab
15278ac572
hex1983ec4b

428076107 has 2 divisors, whose sum is σ = 428076108. Its totient is φ = 428076106.

The previous prime is 428076083. The next prime is 428076113. The reversal of 428076107 is 701670824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428076107 - 216 = 428010571 is a prime.

It is a super-3 number, since 3×4280761073 (a number of 27 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (428076127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214038053 + 214038054.

It is an arithmetic number, because the mean of its divisors is an integer number (214038054).

Almost surely, 2428076107 is an apocalyptic number.

428076107 is a deficient number, since it is larger than the sum of its proper divisors (1).

428076107 is an equidigital number, since it uses as much as digits as its factorization.

428076107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 428076107 is about 20690.0001691638. Note that the first 3 decimals coincide. The cubic root of 428076107 is about 753.6568708227.

The spelling of 428076107 in words is "four hundred twenty-eight million, seventy-six thousand, one hundred seven".