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105190706 = 252595353
BaseRepresentation
bin1100100010100…
…01010100110010
321022221020112002
412101101110302
5203412100311
614234334002
72415051305
oct621212462
9238836462
10105190706
1154417375
122b28a302
1318a4032a
14dd82b3c
15937c93b
hex6451532

105190706 has 4 divisors (see below), whose sum is σ = 157786062. Its totient is φ = 52595352.

The previous prime is 105190703. The next prime is 105190717. The reversal of 105190706 is 607091501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607091501 = 4314118407.

It can be written as a sum of positive squares in only one way, i.e., 66015625 + 39175081 = 8125^2 + 6259^2 .

It is a super-2 number, since 2×1051907062 = 22130169257556872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105190703) by changing a digit.

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, 26297675 + ... + 26297678.

Almost surely, 2105190706 is an apocalyptic number.

105190706 is a deficient number, since it is larger than the sum of its proper divisors (52595356).

105190706 is an equidigital number, since it uses as much as digits as its factorization.

105190706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52595355.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 105190706 is about 10256.2520444849. The cubic root of 105190706 is about 472.0548419710.

The spelling of 105190706 in words is "one hundred five million, one hundred ninety thousand, seven hundred six".

Divisors: 1 2 52595353 105190706