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105562361 = 661159701
BaseRepresentation
bin1100100101011…
…00000011111001
321100122010100002
412102230003321
5204010443421
614250322345
72421156662
oct622540371
9240563302
10105562361
1154650623
122b4293b5
1318b40548
141003c369
159402b0b
hex64ac0f9

105562361 has 4 divisors (see below), whose sum is σ = 105722724. Its totient is φ = 105402000.

The previous prime is 105562343. The next prime is 105562363. The reversal of 105562361 is 163265501.

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 69622336 + 35940025 = 8344^2 + 5995^2 .

It is a cyclic number.

It is not a de Polignac number, because 105562361 - 226 = 38453497 is a prime.

It is a super-2 number, since 2×1055623612 = 22286824119788642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105562363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79190 + ... + 80511.

It is an arithmetic number, because the mean of its divisors is an integer number (26430681).

Almost surely, 2105562361 is an apocalyptic number.

It is an amenable number.

105562361 is a deficient number, since it is larger than the sum of its proper divisors (160363).

105562361 is an equidigital number, since it uses as much as digits as its factorization.

105562361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160362.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 105562361 is about 10274.3545296043. The cubic root of 105562361 is about 472.6101360424.

The spelling of 105562361 in words is "one hundred five million, five hundred sixty-two thousand, three hundred sixty-one".

Divisors: 1 661 159701 105562361