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454970869 is a prime number
BaseRepresentation
bin11011000111100…
…100110111110101
31011201002220200221
4123013210313311
51412433031434
6113051334341
714163121453
oct3307446765
91151086627
10454970869
11213901391
121084513b1
137334a442
14445d39d3
1529e212b4
hex1b1e4df5

454970869 has 2 divisors, whose sum is σ = 454970870. Its totient is φ = 454970868.

The previous prime is 454970863. The next prime is 454970897. The reversal of 454970869 is 968079454.

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., 410548644 + 44422225 = 20262^2 + 6665^2 .

It is a cyclic number.

It is not a de Polignac number, because 454970869 - 23 = 454970861 is a prime.

It is a super-2 number, since 2×4549708692 = 413996983277230322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454970861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227485434 + 227485435.

It is an arithmetic number, because the mean of its divisors is an integer number (227485435).

Almost surely, 2454970869 is an apocalyptic number.

It is an amenable number.

454970869 is a deficient number, since it is larger than the sum of its proper divisors (1).

454970869 is an equidigital number, since it uses as much as digits as its factorization.

454970869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 454970869 is about 21330.0461555994. The cubic root of 454970869 is about 769.1207532900.

The spelling of 454970869 in words is "four hundred fifty-four million, nine hundred seventy thousand, eight hundred sixty-nine".