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190106471 is a prime number
BaseRepresentation
bin10110101010011…
…00101101100111
3111020201102001102
423111030231213
5342131401341
630510350315
74465610162
oct1325145547
9436642042
10190106471
1198345895
12537bb39b
1330502049
141b368ad9
1511a52c9b
hexb54cb67

190106471 has 2 divisors, whose sum is σ = 190106472. Its totient is φ = 190106470.

The previous prime is 190106459. The next prime is 190106479. The reversal of 190106471 is 174601091.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190106471 is a prime.

It is a super-3 number, since 3×1901064713 (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190106479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95053235 + 95053236.

It is an arithmetic number, because the mean of its divisors is an integer number (95053236).

Almost surely, 2190106471 is an apocalyptic number.

190106471 is a deficient number, since it is larger than the sum of its proper divisors (1).

190106471 is an equidigital number, since it uses as much as digits as its factorization.

190106471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 190106471 is about 13787.9103202770. The cubic root of 190106471 is about 574.9970721968.

The spelling of 190106471 in words is "one hundred ninety million, one hundred six thousand, four hundred seventy-one".