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190450349 is a prime number
BaseRepresentation
bin10110101101000…
…00101010101101
3111021100212202122
423112200222231
5342223402344
630522002325
74501541555
oct1326405255
9437325678
10190450349
1198560191
12539463a5
13305c271b
141b418165
1511abeaee
hexb5a0aad

190450349 has 2 divisors, whose sum is σ = 190450350. Its totient is φ = 190450348.

The previous prime is 190450339. The next prime is 190450361. The reversal of 190450349 is 943054091.

190450349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 178409449 + 12040900 = 13357^2 + 3470^2 .

It is a cyclic number.

It is not a de Polignac number, because 190450349 - 24 = 190450333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190450339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95225174 + 95225175.

It is an arithmetic number, because the mean of its divisors is an integer number (95225175).

Almost surely, 2190450349 is an apocalyptic number.

It is an amenable number.

190450349 is a deficient number, since it is larger than the sum of its proper divisors (1).

190450349 is an equidigital number, since it uses as much as digits as its factorization.

190450349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 190450349 is about 13800.3749586741. The cubic root of 190450349 is about 575.3435617891.

The spelling of 190450349 in words is "one hundred ninety million, four hundred fifty thousand, three hundred forty-nine".