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194880829 = 11132104831
BaseRepresentation
bin10111001110110…
…10010100111101
3111120200222020111
423213122110331
5344342141304
631200550021
74554313453
oct1347322475
9446628214
10194880829
11a0006940
1255322311
13314b4200
141bc4c9d3
1512197704
hexb9da53d

194880829 has 12 divisors (see below), whose sum is σ = 230211072. Its totient is φ = 163534800.

The previous prime is 194880827. The next prime is 194880883. The reversal of 194880829 is 928088491.

It is not a de Polignac number, because 194880829 - 21 = 194880827 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194880821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50557 + ... + 54274.

It is an arithmetic number, because the mean of its divisors is an integer number (19184256).

Almost surely, 2194880829 is an apocalyptic number.

It is an amenable number.

194880829 is a deficient number, since it is larger than the sum of its proper divisors (35330243).

194880829 is a wasteful number, since it uses less digits than its factorization.

194880829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104868 (or 104855 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 49.

The square root of 194880829 is about 13959.9723853595. The cubic root of 194880829 is about 579.7708458599.

The spelling of 194880829 in words is "one hundred ninety-four million, eight hundred eighty thousand, eight hundred twenty-nine".

Divisors: 1 11 13 143 169 1859 104831 1153141 1362803 14990833 17716439 194880829