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109192838 = 2193457619
BaseRepresentation
bin1101000001000…
…10011010000110
321121110120102012
412200202122012
5210423132323
614500214222
72464060316
oct640423206
9247416365
10109192838
1156700217
123069a372
1319811b61
1410705446
1598bd678
hex6822686

109192838 has 16 divisors (see below), whose sum is σ = 165264720. Its totient is φ = 54107136.

The previous prime is 109192813. The next prime is 109192841. The reversal of 109192838 is 838291901.

It is a junction number, because it is equal to n+sod(n) for n = 109192795 and 109192804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176093 + ... + 176711.

It is an arithmetic number, because the mean of its divisors is an integer number (10329045).

Almost surely, 2109192838 is an apocalyptic number.

109192838 is a deficient number, since it is larger than the sum of its proper divisors (56071882).

109192838 is a wasteful number, since it uses less digits than its factorization.

109192838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 109192838 is about 10449.5376931231. The cubic root of 109192838 is about 477.9671522627.

The spelling of 109192838 in words is "one hundred nine million, one hundred ninety-two thousand, eight hundred thirty-eight".

Divisors: 1 2 193 386 457 619 914 1238 88201 119467 176402 238934 282883 565766 54596419 109192838