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105801239 is a prime number
BaseRepresentation
bin1100100111001…
…10011000010111
321101002021000102
412103212120113
5204041114424
614255404315
72423203265
oct623463027
9241067012
10105801239
11547a4045
122b52369b
1318bc51ab
14100a1435
15944d7ae
hex64e6617

105801239 has 2 divisors, whose sum is σ = 105801240. Its totient is φ = 105801238.

The previous prime is 105801221. The next prime is 105801257. The reversal of 105801239 is 932108501.

It is a balanced prime because it is at equal distance from previous prime (105801221) and next prime (105801257).

It is a cyclic number.

It is not a de Polignac number, because 105801239 - 212 = 105797143 is a prime.

It is a super-2 number, since 2×1058012392 = 22387804347870242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105801259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52900619 + 52900620.

It is an arithmetic number, because the mean of its divisors is an integer number (52900620).

Almost surely, 2105801239 is an apocalyptic number.

105801239 is a deficient number, since it is larger than the sum of its proper divisors (1).

105801239 is an equidigital number, since it uses as much as digits as its factorization.

105801239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 105801239 is about 10285.9729243276. The cubic root of 105801239 is about 472.9663586960.

The spelling of 105801239 in words is "one hundred five million, eight hundred one thousand, two hundred thirty-nine".