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105434545 = 530768687
BaseRepresentation
bin1100100100011…
…00110110110001
321100101122000011
412102030312301
5203442401140
614243454521
72420115226
oct622146661
9240348004
10105434545
1154573597
122b387441
1318ac7308
141000794d
1593c9cea
hex648cdb1

105434545 has 8 divisors (see below), whose sum is σ = 126935424. Its totient is φ = 84071664.

The previous prime is 105434533. The next prime is 105434551. The reversal of 105434545 is 545434501.

It is a happy number.

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 105434545 - 25 = 105434513 is a prime.

It is a super-2 number, since 2×1054345452 = 22232886558714050, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 32809 + ... + 35878.

It is an arithmetic number, because the mean of its divisors is an integer number (15866928).

Almost surely, 2105434545 is an apocalyptic number.

It is an amenable number.

105434545 is a deficient number, since it is larger than the sum of its proper divisors (21500879).

105434545 is an equidigital number, since it uses as much as digits as its factorization.

105434545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68999.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 105434545 is about 10268.1324981712. The cubic root of 105434545 is about 472.4193119219.

The spelling of 105434545 in words is "one hundred five million, four hundred thirty-four thousand, five hundred forty-five".

Divisors: 1 5 307 1535 68687 343435 21086909 105434545