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105071653 = 195530087
BaseRepresentation
bin1100100001101…
…00010000100101
321022201012012201
412100310100211
5203344243103
614232014501
72414044231
oct620642045
9238635181
10105071653
1154345985
122b231431
13189cb09b
14dd515c1
15935751d
hex6434425

105071653 has 4 divisors (see below), whose sum is σ = 110601760. Its totient is φ = 99541548.

The previous prime is 105071627. The next prime is 105071657. The reversal of 105071653 is 356170501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356170501 = 3111489371.

It is a cyclic number.

It is not a de Polignac number, because 105071653 - 25 = 105071621 is a prime.

It is a super-2 number, since 2×1050716532 = 22080104528304818, 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 (105071657) 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, 2765025 + ... + 2765062.

It is an arithmetic number, because the mean of its divisors is an integer number (27650440).

Almost surely, 2105071653 is an apocalyptic number.

It is an amenable number.

105071653 is a deficient number, since it is larger than the sum of its proper divisors (5530107).

105071653 is an equidigital number, since it uses as much as digits as its factorization.

105071653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530106.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 105071653 is about 10250.4464780808. The cubic root of 105071653 is about 471.8766869404.

The spelling of 105071653 in words is "one hundred five million, seventy-one thousand, six hundred fifty-three".

Divisors: 1 19 5530087 105071653