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105550307 = 372852711
BaseRepresentation
bin1100100101010…
…01000111100011
321100121111210122
412102221013203
5204010102212
614250150455
72421106562
oct622510743
9240544718
10105550307
1154642565
122b42242b
1318b37c05
1410037bd9
1593ee272
hex64a91e3

105550307 has 4 divisors (see below), whose sum is σ = 108403056. Its totient is φ = 102697560.

The previous prime is 105550261. The next prime is 105550309. The reversal of 105550307 is 703055501.

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

It is a cyclic number.

It is not a de Polignac number, because 105550307 - 28 = 105550051 is a prime.

It is a super-2 number, since 2×1055503072 = 22281734615588498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105550309) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1426319 + ... + 1426392.

It is an arithmetic number, because the mean of its divisors is an integer number (27100764).

Almost surely, 2105550307 is an apocalyptic number.

105550307 is a deficient number, since it is larger than the sum of its proper divisors (2852749).

105550307 is an equidigital number, since it uses as much as digits as its factorization.

105550307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2852748.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 105550307 is about 10273.7679066640. The cubic root of 105550307 is about 472.5921464883.

The spelling of 105550307 in words is "one hundred five million, five hundred fifty thousand, three hundred seven".

Divisors: 1 37 2852711 105550307