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105394858 = 252697429
BaseRepresentation
bin1100100100000…
…11001010101010
321100022121120021
412102003022222
5203440113413
614242551054
72416561432
oct622031252
9240277507
10105394858
1154546798
122b36848a
1318ab222a
14ddd72c2
1593bd18d
hex64832aa

105394858 has 4 divisors (see below), whose sum is σ = 158092290. Its totient is φ = 52697428.

The previous prime is 105394847. The next prime is 105394879. The reversal of 105394858 is 858493501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 858493501 = 1901451601.

It can be written as a sum of positive squares in only one way, i.e., 68343289 + 37051569 = 8267^2 + 6087^2 .

It is a super-2 number, since 2×1053948582 = 22216152185680328, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26348713 + ... + 26348716.

Almost surely, 2105394858 is an apocalyptic number.

105394858 is a deficient number, since it is larger than the sum of its proper divisors (52697432).

105394858 is an equidigital number, since it uses as much as digits as its factorization.

105394858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52697431.

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 105394858 is about 10266.1997837564. The cubic root of 105394858 is about 472.3600294601.

The spelling of 105394858 in words is "one hundred five million, three hundred ninety-four thousand, eight hundred fifty-eight".

Divisors: 1 2 52697429 105394858