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105243535 = 521048707
BaseRepresentation
bin1100100010111…
…10001110001111
321100000220222201
412101132032033
5203420243120
614235422331
72415361315
oct621361617
9240026881
10105243535
1154453031
122b2b49a7
1318a5b3a7
14dd980b5
15938d40a
hex645e38f

105243535 has 4 divisors (see below), whose sum is σ = 126292248. Its totient is φ = 84194824.

The previous prime is 105243529. The next prime is 105243539. The reversal of 105243535 is 535342501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105243535 is a prime.

It is a super-2 number, since 2×1052435352 = 22152403318592450, 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 (105243539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10524349 + ... + 10524358.

It is an arithmetic number, because the mean of its divisors is an integer number (31573062).

Almost surely, 2105243535 is an apocalyptic number.

105243535 is a deficient number, since it is larger than the sum of its proper divisors (21048713).

105243535 is an equidigital number, since it uses as much as digits as its factorization.

105243535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21048712.

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 105243535 is about 10258.8271746823. The cubic root of 105243535 is about 472.1338540578.

The spelling of 105243535 in words is "one hundred five million, two hundred forty-three thousand, five hundred thirty-five".

Divisors: 1 5 21048707 105243535