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105090394 = 2139378023
BaseRepresentation
bin1100100001110…
…00110101011010
321022202010220211
412100320311122
5203400343034
614232241334
72414152663
oct620706532
9238663824
10105090394
1154358a72
122b24024a
1318a06786
14dd5836a
15935cd64
hex6438d5a

105090394 has 8 divisors (see below), whose sum is σ = 158770080. Its totient is φ = 52167036.

The previous prime is 105090383. The next prime is 105090431. The reversal of 105090394 is 493090501.

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

It is a super-2 number, since 2×1050903942 = 22087981822150472, which contains 22 as substring.

It is an unprimeable number.

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, 188734 + ... + 189289.

It is an arithmetic number, because the mean of its divisors is an integer number (19846260).

Almost surely, 2105090394 is an apocalyptic number.

105090394 is a deficient number, since it is larger than the sum of its proper divisors (53679686).

105090394 is a wasteful number, since it uses less digits than its factorization.

105090394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378164.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 105090394 is about 10251.3605926238. The cubic root of 105090394 is about 471.9047405433.

The spelling of 105090394 in words is "one hundred five million, ninety thousand, three hundred ninety-four".