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105621341 = 779190997
BaseRepresentation
bin1100100101110…
…10011101011101
321100202010020112
412102322131131
5204014340331
614251455405
72421523640
oct622723535
9240663215
10105621341
1154690971
122b457565
1318b61347
1410055a57
15941532b
hex64ba75d

105621341 has 8 divisors (see below), whose sum is σ = 122238720. Its totient is φ = 89386128.

The previous prime is 105621331. The next prime is 105621343. The reversal of 105621341 is 143126501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105621341 is a prime.

It is a super-2 number, since 2×1056213412 = 22311735349276562, 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 (105621343) 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, 94946 + ... + 96051.

It is an arithmetic number, because the mean of its divisors is an integer number (15279840).

Almost surely, 2105621341 is an apocalyptic number.

It is an amenable number.

105621341 is a deficient number, since it is larger than the sum of its proper divisors (16617379).

105621341 is an equidigital number, since it uses as much as digits as its factorization.

105621341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191083.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 105621341 is about 10277.2243820985. The cubic root of 105621341 is about 472.6981388615.

Adding to 105621341 its reverse (143126501), we get a palindrome (248747842).

The spelling of 105621341 in words is "one hundred five million, six hundred twenty-one thousand, three hundred forty-one".

Divisors: 1 7 79 553 190997 1336979 15088763 105621341