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190349147 is a prime number
BaseRepresentation
bin10110101100001…
…11111101011011
3111021011201221102
423112013331123
5342212133042
630515502015
74500640532
oct1326077533
9437151842
10190349147
11984a114a
12538b790b
1330588641
141b3cd319
1511a9eb32
hexb587f5b

190349147 has 2 divisors, whose sum is σ = 190349148. Its totient is φ = 190349146.

The previous prime is 190349123. The next prime is 190349149. The reversal of 190349147 is 741943091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 190349147 - 214 = 190332763 is a prime.

Together with 190349149, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 190349147.

It is not a weakly prime, because it can be changed into another prime (190349149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95174573 + 95174574.

It is an arithmetic number, because the mean of its divisors is an integer number (95174574).

Almost surely, 2190349147 is an apocalyptic number.

190349147 is a deficient number, since it is larger than the sum of its proper divisors (1).

190349147 is an equidigital number, since it uses as much as digits as its factorization.

190349147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 190349147 is about 13796.7078319431. The cubic root of 190349147 is about 575.2416345486.

The spelling of 190349147 in words is "one hundred ninety million, three hundred forty-nine thousand, one hundred forty-seven".