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105454634 = 252727317
BaseRepresentation
bin1100100100100…
…01110000101010
321100102122120012
412102101300222
5203444022014
614244131522
72420230625
oct622216052
9240378505
10105454634
115458769a
122b396ba2
1318b034bc
1410010dbc
1593d0c3e
hex6491c2a

105454634 has 4 divisors (see below), whose sum is σ = 158181954. Its totient is φ = 52727316.

The previous prime is 105454633. The next prime is 105454637. The reversal of 105454634 is 436454501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 436454501 = 762350643.

It can be written as a sum of positive squares in only one way, i.e., 105124009 + 330625 = 10253^2 + 575^2 .

It is a super-2 number, since 2×1054546342 = 22241359664147912, 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 105454634.

It is not an unprimeable number, because it can be changed into a prime (105454631) 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, 26363657 + ... + 26363660.

Almost surely, 2105454634 is an apocalyptic number.

105454634 is a deficient number, since it is larger than the sum of its proper divisors (52727320).

105454634 is an equidigital number, since it uses as much as digits as its factorization.

105454634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52727319.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 105454634 is about 10269.1106723026. The cubic root of 105454634 is about 472.4493141976.

The spelling of 105454634 in words is "one hundred five million, four hundred fifty-four thousand, six hundred thirty-four".

Divisors: 1 2 52727317 105454634