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105284053 = 743934261
BaseRepresentation
bin1100100011010…
…00000111010101
321100002222120101
412101220013111
5203423042203
614240334101
72415620410
oct621500725
9240088511
10105284053
1154480516
122b314331
1318a73974
14dda8b77
15939a41d
hex64681d5

105284053 has 8 divisors (see below), whose sum is σ = 120602240. Its totient is φ = 90035280.

The previous prime is 105284051. The next prime is 105284057. The reversal of 105284053 is 350482501.

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 105284053 - 21 = 105284051 is a prime.

It is a super-2 number, since 2×1052840532 = 22169463632213618, 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 (105284051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14058 + ... + 20203.

It is an arithmetic number, because the mean of its divisors is an integer number (15075280).

Almost surely, 2105284053 is an apocalyptic number.

It is an amenable number.

105284053 is a deficient number, since it is larger than the sum of its proper divisors (15318187).

105284053 is an equidigital number, since it uses as much as digits as its factorization.

105284053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34707.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105284053 is about 10260.8017717915. The cubic root of 105284053 is about 472.1944356573.

The spelling of 105284053 in words is "one hundred five million, two hundred eighty-four thousand, fifty-three".

Divisors: 1 7 439 3073 34261 239827 15040579 105284053