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105230556 = 22334720731
BaseRepresentation
bin1100100010110…
…11000011011100
321100000021012000
412101123003130
5203414334211
614235242300
72415305424
oct621330334
9240007160
10105230556
1154444302
122b2a9390
1318a55502
14dd93484
159389656
hex645b0dc

105230556 has 48 divisors (see below), whose sum is σ = 278638080. Its totient is φ = 34328880.

The previous prime is 105230519. The next prime is 105230563. The reversal of 105230556 is 655032501.

105230556 is a `hidden beast` number, since 105 + 2 + 3 + 0 + 556 = 666.

It is a super-2 number, since 2×1052305562 = 22146939832138272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5290 + ... + 15441.

It is an arithmetic number, because the mean of its divisors is an integer number (5804960).

Almost surely, 2105230556 is an apocalyptic number.

It is an amenable number.

105230556 is an abundant number, since it is smaller than the sum of its proper divisors (173407524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105230556 is a wasteful number, since it uses less digits than its factorization.

105230556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20791 (or 20783 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 105230556 is about 10258.1945779947. The cubic root of 105230556 is about 472.1144448618.

The spelling of 105230556 in words is "one hundred five million, two hundred thirty thousand, five hundred fifty-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 47 54 94 108 141 188 282 423 564 846 1269 1692 2538 5076 20731 41462 62193 82924 124386 186579 248772 373158 559737 746316 974357 1119474 1948714 2238948 2923071 3897428 5846142 8769213 11692284 17538426 26307639 35076852 52615278 105230556