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105710290 = 2571510147
BaseRepresentation
bin1100100110100…
…00001011010010
321100220122020221
412103100023102
5204030212130
614253423254
72422344160
oct623201322
9240818227
10105710290
1154741784
122b49ab2a
1318b9298a
141007a230
15943187a
hex64d02d2

105710290 has 16 divisors (see below), whose sum is σ = 217461312. Its totient is φ = 36243504.

The previous prime is 105710261. The next prime is 105710303. The reversal of 105710290 is 92017501.

It is a super-2 number, since 2×1057102902 = 22349330823768200, 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 in 7 ways as a sum of consecutive naturals, for example, 755004 + ... + 755143.

It is an arithmetic number, because the mean of its divisors is an integer number (13591332).

Almost surely, 2105710290 is an apocalyptic number.

105710290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105710290 is an abundant number, since it is smaller than the sum of its proper divisors (111751022).

105710290 is a wasteful number, since it uses less digits than its factorization.

105710290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510161.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 105710290 is about 10281.5509530421. The cubic root of 105710290 is about 472.8307958569.

Adding to 105710290 its reverse (92017501), we get a palindrome (197727791).

The spelling of 105710290 in words is "one hundred five million, seven hundred ten thousand, two hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 1510147 3020294 7550735 10571029 15101470 21142058 52855145 105710290