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190329193 = 277687109
BaseRepresentation
bin10110101100000…
…11000101101001
3111021010201120101
423112003011221
5342211013233
630515225401
74500525415
oct1326030551
9437121511
10190329193
119848815a
12538a8261
133057c532
141b3c5d45
1511a98c7d
hexb583169

190329193 has 4 divisors (see below), whose sum is σ = 191016580. Its totient is φ = 189641808.

The previous prime is 190329187. The next prime is 190329199. The reversal of 190329193 is 391923091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391923091 = 755989013.

It is an interprime number because it is at equal distance from previous prime (190329187) and next prime (190329199).

It can be written as a sum of positive squares in 2 ways, for example, as 53626329 + 136702864 = 7323^2 + 11692^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-190329193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190329199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343278 + ... + 343831.

It is an arithmetic number, because the mean of its divisors is an integer number (47754145).

Almost surely, 2190329193 is an apocalyptic number.

It is an amenable number.

190329193 is a deficient number, since it is larger than the sum of its proper divisors (687387).

190329193 is an equidigital number, since it uses as much as digits as its factorization.

190329193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687386.

The product of its (nonzero) digits is 13122, while the sum is 37.

The square root of 190329193 is about 13795.9846694609. The cubic root of 190329193 is about 575.2215332893.

The spelling of 190329193 in words is "one hundred ninety million, three hundred twenty-nine thousand, one hundred ninety-three".

Divisors: 1 277 687109 190329193