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105354638 = 252677319
BaseRepresentation
bin1100100011110…
…01010110001110
321100020120101122
412101321112032
5203432322023
614242040542
72416333244
oct621712616
9240216348
10105354638
1154519554
122b349152
1318a99b2c
14ddc6794
1593b12c8
hex647958e

105354638 has 4 divisors (see below), whose sum is σ = 158031960. Its totient is φ = 52677318.

The previous prime is 105354611. The next prime is 105354643. The reversal of 105354638 is 836453501.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1053546382 = 22199199496222088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105354598 and 105354607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26338658 + ... + 26338661.

It is an arithmetic number, because the mean of its divisors is an integer number (39507990).

Almost surely, 2105354638 is an apocalyptic number.

105354638 is a deficient number, since it is larger than the sum of its proper divisors (52677322).

105354638 is an equidigital number, since it uses as much as digits as its factorization.

105354638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52677321.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 105354638 is about 10264.2407415259. The cubic root of 105354638 is about 472.2999356442.

The spelling of 105354638 in words is "one hundred five million, three hundred fifty-four thousand, six hundred thirty-eight".

Divisors: 1 2 52677319 105354638