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105105479 is a prime number
BaseRepresentation
bin1100100001111…
…00100001000111
321022202220121112
412100330201013
5203401333404
614232435235
72414244653
oct620744107
9238686545
10105105479
1154369336
122b248b1b
1318a105bb
14dd5da63
15936256e
hex643c847

105105479 has 2 divisors, whose sum is σ = 105105480. Its totient is φ = 105105478.

The previous prime is 105105467. The next prime is 105105499. The reversal of 105105479 is 974501501.

It is a weak prime.

It is an emirp because it is prime and its reverse (974501501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105105479 - 24 = 105105463 is a prime.

It is a super-2 number, since 2×1051054792 = 22094323431638882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105105449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52552739 + 52552740.

It is an arithmetic number, because the mean of its divisors is an integer number (52552740).

Almost surely, 2105105479 is an apocalyptic number.

105105479 is a deficient number, since it is larger than the sum of its proper divisors (1).

105105479 is an equidigital number, since it uses as much as digits as its factorization.

105105479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 105105479 is about 10252.0963222163. The cubic root of 105105479 is about 471.9273190180.

The spelling of 105105479 in words is "one hundred five million, one hundred five thousand, four hundred seventy-nine".