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105253405 = 523915247
BaseRepresentation
bin1100100011000…
…00101000011101
321100001102112021
412101200220131
5203421102110
614235540141
72415432145
oct621405035
9240042467
10105253405
115445a494
122b2ba651
1318a62a2a
14dd9b925
1593912da
hex6460a1d

105253405 has 8 divisors (see below), whose sum is σ = 131795712. Its totient is φ = 80541648.

The previous prime is 105253397. The next prime is 105253411. The reversal of 105253405 is 504352501.

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 105253405 - 23 = 105253397 is a prime.

It is a super-2 number, since 2×1052534052 = 22156558528188050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105253405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 457509 + ... + 457738.

It is an arithmetic number, because the mean of its divisors is an integer number (16474464).

Almost surely, 2105253405 is an apocalyptic number.

It is an amenable number.

105253405 is a deficient number, since it is larger than the sum of its proper divisors (26542307).

105253405 is an equidigital number, since it uses as much as digits as its factorization.

105253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915275.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 105253405 is about 10259.3082125453. The cubic root of 105253405 is about 472.1486128915.

The spelling of 105253405 in words is "one hundred five million, two hundred fifty-three thousand, four hundred five".

Divisors: 1 5 23 115 915247 4576235 21050681 105253405