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105551743 = 1149119543
BaseRepresentation
bin1100100101010…
…01011101111111
321100121120202211
412102221131333
5204010123433
614250201251
72421114013
oct622513577
9240546684
10105551743
1154643650
122b423227
1318b3876b
1410038543
1593ee8cd
hex64a977f

105551743 has 8 divisors (see below), whose sum is σ = 115387776. Its totient is φ = 95755800.

The previous prime is 105551737. The next prime is 105551773. The reversal of 105551743 is 347155501.

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

It is a cyclic number.

It is not a de Polignac number, because 105551743 - 25 = 105551711 is a prime.

It is a super-2 number, since 2×1055517432 = 22282340900676098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4371 + ... + 15172.

It is an arithmetic number, because the mean of its divisors is an integer number (14423472).

Almost surely, 2105551743 is an apocalyptic number.

105551743 is a deficient number, since it is larger than the sum of its proper divisors (9836033).

105551743 is a wasteful number, since it uses less digits than its factorization.

105551743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20045.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 105551743 is about 10273.8377931521. The cubic root of 105551743 is about 472.5942896661.

The spelling of 105551743 in words is "one hundred five million, five hundred fifty-one thousand, seven hundred forty-three".

Divisors: 1 11 491 5401 19543 214973 9595613 105551743