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105401453 = 677155689
BaseRepresentation
bin1100100100001…
…00110001101101
321100022221121112
412102010301231
5203440321303
614243041405
72416616603
oct622046155
9240287545
10105401453
1154550743
122b370265
1318ab5231
14ddd9873
1593c00d8
hex6484c6d

105401453 has 4 divisors (see below), whose sum is σ = 105557820. Its totient is φ = 105245088.

The previous prime is 105401437. The next prime is 105401459. The reversal of 105401453 is 354104501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102961609 + 2439844 = 10147^2 + 1562^2 .

It is a cyclic number.

It is not a de Polignac number, because 105401453 - 24 = 105401437 is a prime.

It is a super-2 number, since 2×1054014532 = 22218932589022418, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105401459) 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, 77168 + ... + 78521.

It is an arithmetic number, because the mean of its divisors is an integer number (26389455).

Almost surely, 2105401453 is an apocalyptic number.

It is an amenable number.

105401453 is a deficient number, since it is larger than the sum of its proper divisors (156367).

105401453 is an equidigital number, since it uses as much as digits as its factorization.

105401453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156366.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105401453 is about 10266.5209784035. The cubic root of 105401453 is about 472.3698817732.

Adding to 105401453 its reverse (354104501), we get a palindrome (459505954).

The spelling of 105401453 in words is "one hundred five million, four hundred one thousand, four hundred fifty-three".

Divisors: 1 677 155689 105401453