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105269369 = 311933751
BaseRepresentation
bin1100100011001…
…00100001111001
321100002020102112
412101210201321
5203422104434
614240142105
72415526532
oct621444171
9240066375
10105269369
1154470487
122b307935
1318a6a08a
14dda3689
159395dce
hex6464879

105269369 has 4 divisors (see below), whose sum is σ = 105306240. Its totient is φ = 105232500.

The previous prime is 105269327. The next prime is 105269401. The reversal of 105269369 is 963962501.

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: 963962501 = 3073139943.

It is a cyclic number.

It is not a de Polignac number, because 105269369 - 28 = 105269113 is a prime.

It is a super-2 number, since 2×1052693692 = 22163280099316322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105269569) 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, 13757 + ... + 19994.

It is an arithmetic number, because the mean of its divisors is an integer number (26326560).

Almost surely, 2105269369 is an apocalyptic number.

It is an amenable number.

105269369 is a deficient number, since it is larger than the sum of its proper divisors (36871).

105269369 is an equidigital number, since it uses as much as digits as its factorization.

105269369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36870.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 105269369 is about 10260.0862082148. The cubic root of 105269369 is about 472.1724822678.

The spelling of 105269369 in words is "one hundred five million, two hundred sixty-nine thousand, three hundred sixty-nine".

Divisors: 1 3119 33751 105269369