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190487029 is a prime number
BaseRepresentation
bin10110101101010…
…01100111110101
3111021102202002011
423112221213311
5342231041104
630522444221
74502053525
oct1326514765
9437382064
10190487029
11985857a7
1253963671
1330606325
141b427685
1511aca904
hexb5a99f5

190487029 has 2 divisors, whose sum is σ = 190487030. Its totient is φ = 190487028.

The previous prime is 190486991. The next prime is 190487039. The reversal of 190487029 is 920784091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107640625 + 82846404 = 10375^2 + 9102^2 .

It is a cyclic number.

It is not a de Polignac number, because 190487029 - 225 = 156932597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 190486982 and 190487000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190487039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95243514 + 95243515.

It is an arithmetic number, because the mean of its divisors is an integer number (95243515).

Almost surely, 2190487029 is an apocalyptic number.

It is an amenable number.

190487029 is a deficient number, since it is larger than the sum of its proper divisors (1).

190487029 is an equidigital number, since it uses as much as digits as its factorization.

190487029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 190487029 is about 13801.7038440911. The cubic root of 190487029 is about 575.3804957324.

The spelling of 190487029 in words is "one hundred ninety million, four hundred eighty-seven thousand, twenty-nine".