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105422251 = 1110393047
BaseRepresentation
bin1100100100010…
…01110110101011
321100101000010211
412102021312223
5203442003001
614243321551
72420034334
oct622116653
9240330124
10105422251
1154565330
122b3802b7
1318ac183c
141000328b
1593c6351
hex6489dab

105422251 has 8 divisors (see below), whose sum is σ = 116123904. Its totient is φ = 94906920.

The previous prime is 105422237. The next prime is 105422281. The reversal of 105422251 is 152224501.

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

It is a cyclic number.

It is not a de Polignac number, because 105422251 - 27 = 105422123 is a prime.

It is a super-2 number, since 2×1054222512 = 22227702011814002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105422231) 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, 45391 + ... + 47656.

It is an arithmetic number, because the mean of its divisors is an integer number (14515488).

Almost surely, 2105422251 is an apocalyptic number.

105422251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105422251 is a deficient number, since it is larger than the sum of its proper divisors (10701653).

105422251 is a wasteful number, since it uses less digits than its factorization.

105422251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93161.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 105422251 is about 10267.5338324254. The cubic root of 105422251 is about 472.4009493483.

Adding to 105422251 its reverse (152224501), we get a palindrome (257646752).

The spelling of 105422251 in words is "one hundred five million, four hundred twenty-two thousand, two hundred fifty-one".

Divisors: 1 11 103 1133 93047 1023517 9583841 105422251