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292020191 is a prime number
BaseRepresentation
bin10001011001111…
…101111111011111
3202100111011101122
4101121331333133
51044224121231
644551001155
710144062551
oct2131757737
9670434348
10292020191
1113a924101
12819691bb
1348665918
142aad74d1
151a98477b
hex1167dfdf

292020191 has 2 divisors, whose sum is σ = 292020192. Its totient is φ = 292020190.

The previous prime is 292020161. The next prime is 292020199. The reversal of 292020191 is 191020292.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-292020191 is a prime.

It is a Sophie Germain prime.

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 292020191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (292020199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 146010095 + 146010096.

It is an arithmetic number, because the mean of its divisors is an integer number (146010096).

Almost surely, 2292020191 is an apocalyptic number.

292020191 is a deficient number, since it is larger than the sum of its proper divisors (1).

292020191 is an equidigital number, since it uses as much as digits as its factorization.

292020191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 292020191 is about 17088.5982748732. The cubic root of 292020191 is about 663.4440347610. Note that the first 3 decimals are identical.

It can be divided in two parts, 2920201 and 91, that added together give a palindrome (2920292).

The spelling of 292020191 in words is "two hundred ninety-two million, twenty thousand, one hundred ninety-one".