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105663254 = 2193273739
BaseRepresentation
bin1100100110001…
…00101100010110
321100211020201212
412103010230112
5204022211004
614252421422
72422060064
oct623045426
9240736655
10105663254
115470a404
122b477872
1318b77448
1410067034
15942296e
hex64c4b16

105663254 has 8 divisors (see below), whose sum is σ = 159316680. Its totient is φ = 52557696.

The previous prime is 105663253. The next prime is 105663281. The reversal of 105663254 is 452366501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056632542 = 22329446491737032, 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 105663254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105663253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136484 + ... + 137255.

It is an arithmetic number, because the mean of its divisors is an integer number (19914585).

Almost surely, 2105663254 is an apocalyptic number.

105663254 is a deficient number, since it is larger than the sum of its proper divisors (53653426).

105663254 is a wasteful number, since it uses less digits than its factorization.

105663254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273934.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 105663254 is about 10279.2633004511. The cubic root of 105663254 is about 472.7606564576.

The spelling of 105663254 in words is "one hundred five million, six hundred sixty-three thousand, two hundred fifty-four".

Divisors: 1 2 193 386 273739 547478 52831627 105663254