Search a number
105090393 = 3149923369
BaseRepresentation
bin1100100001110…
…00110101011001
321022202010220210
412100320311121
5203400343033
614232241333
72414152662
oct620706531
9238663823
10105090393
1154358a71
122b240249
1318a06785
14dd58369
15935cd63
hex6438d59

105090393 has 8 divisors (see below), whose sum is σ = 140220000. Its totient is φ = 70010528.

The previous prime is 105090383. The next prime is 105090431. The reversal of 105090393 is 393090501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105090393 - 28 = 105090137 is a prime.

It is a super-2 number, since 2×1050903932 = 22087981401788898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105090393.

It is not an unprimeable number, because it can be changed into a prime (105090343) 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 7 ways as a sum of consecutive naturals, for example, 7188 + ... + 16181.

It is an arithmetic number, because the mean of its divisors is an integer number (17527500).

Almost surely, 2105090393 is an apocalyptic number.

It is an amenable number.

105090393 is a deficient number, since it is larger than the sum of its proper divisors (35129607).

105090393 is a wasteful number, since it uses less digits than its factorization.

105090393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24871.

The product of its (nonzero) digits is 3645, while the sum is 30.

The square root of 105090393 is about 10251.3605438498. The cubic root of 105090393 is about 471.9047390464.

The spelling of 105090393 in words is "one hundred five million, ninety thousand, three hundred ninety-three".