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105022389 = 3319711163
BaseRepresentation
bin1100100001010…
…00001110110101
321022121200122010
412100220032311
5203341204024
614230554433
72413450503
oct620501665
9238550563
10105022389
115431196a
122b208a19
13189b1834
14dd3b673
159347b29
hex64283b5

105022389 has 16 divisors (see below), whose sum is σ = 144820224. Its totient is φ = 67628400.

The previous prime is 105022387. The next prime is 105022397. The reversal of 105022389 is 983220501.

It is a happy number.

It is not a de Polignac number, because 105022389 - 21 = 105022387 is a prime.

It is a super-2 number, since 2×1050223892 = 22059404382534642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105022381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89722 + ... + 90884.

It is an arithmetic number, because the mean of its divisors is an integer number (9051264).

Almost surely, 2105022389 is an apocalyptic number.

It is an amenable number.

105022389 is a deficient number, since it is larger than the sum of its proper divisors (39797835).

105022389 is a wasteful number, since it uses less digits than its factorization.

105022389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 105022389 is about 10248.0431790659. The cubic root of 105022389 is about 471.8029272202.

The spelling of 105022389 in words is "one hundred five million, twenty-two thousand, three hundred eighty-nine".

Divisors: 1 3 31 93 971 1163 2913 3489 30101 36053 90303 108159 1129273 3387819 35007463 105022389