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190669834 = 295334917
BaseRepresentation
bin10110101110101…
…10010000001010
3111021210000211201
423113112100022
5342302413314
630530414414
74503444505
oct1327262012
9437700751
10190669834
11986a0083
1253a3140a
133066b5b4
141b47413c
1511b14b74
hexb5d640a

190669834 has 4 divisors (see below), whose sum is σ = 286004754. Its totient is φ = 95334916.

The previous prime is 190669823. The next prime is 190669837. The reversal of 190669834 is 438966091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 190578025 + 91809 = 13805^2 + 303^2 .

It is not an unprimeable number, because it can be changed into a prime (190669837) 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 as a sum of consecutive naturals, namely, 47667457 + ... + 47667460.

Almost surely, 2190669834 is an apocalyptic number.

190669834 is a deficient number, since it is larger than the sum of its proper divisors (95334920).

190669834 is an equidigital number, since it uses as much as digits as its factorization.

190669834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95334919.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 190669834 is about 13808.3248078831. The cubic root of 190669834 is about 575.5644956669.

It can be divided in two parts, 19066 and 9834, that added together give a square (28900 = 1702).

The spelling of 190669834 in words is "one hundred ninety million, six hundred sixty-nine thousand, eight hundred thirty-four".

Divisors: 1 2 95334917 190669834