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105485854 = 252742927
BaseRepresentation
bin1100100100110…
…01011000011110
321100111020101111
412102121120132
5204001021404
614244532234
72420420635
oct622313036
9240436344
10105485854
11545a90a1
122b3b107a
1318b14786
141001c51c
1593da104
hex649961e

105485854 has 4 divisors (see below), whose sum is σ = 158228784. Its totient is φ = 52742926.

The previous prime is 105485827. The next prime is 105485869. The reversal of 105485854 is 458584501.

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: 458584501 = 1951235051.

It is a super-2 number, since 2×1054858542 = 22254530788218632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26371462 + ... + 26371465.

It is an arithmetic number, because the mean of its divisors is an integer number (39557196).

Almost surely, 2105485854 is an apocalyptic number.

105485854 is a deficient number, since it is larger than the sum of its proper divisors (52742930).

105485854 is an equidigital number, since it uses as much as digits as its factorization.

105485854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52742929.

The product of its (nonzero) digits is 128000, while the sum is 40.

The square root of 105485854 is about 10270.6306524965. The cubic root of 105485854 is about 472.4959327030.

The spelling of 105485854 in words is "one hundred five million, four hundred eighty-five thousand, eight hundred fifty-four".

Divisors: 1 2 52742927 105485854