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105851380 = 22543123083
BaseRepresentation
bin1100100111100…
…10100111110100
321101011210210111
412103302213310
5204044221010
614300432404
72423502415
oct623624764
9241153714
10105851380
1154828788
122b548704
1318c11c6b
14100b580c
15945d58a
hex64f29f4

105851380 has 24 divisors (see below), whose sum is σ = 227459232. Its totient is φ = 41355552.

The previous prime is 105851377. The next prime is 105851393. The reversal of 105851380 is 83158501.

It is a super-2 number, since 2×1058513802 = 22409029295808800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60682 + ... + 62401.

It is an arithmetic number, because the mean of its divisors is an integer number (9477468).

Almost surely, 2105851380 is an apocalyptic number.

105851380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105851380 is an abundant number, since it is smaller than the sum of its proper divisors (121607852).

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

105851380 is a wasteful number, since it uses less digits than its factorization.

105851380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123135 (or 123133 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 31.

The square root of 105851380 is about 10288.4099840549. The cubic root of 105851380 is about 473.0410624868.

The spelling of 105851380 in words is "one hundred five million, eight hundred fifty-one thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 123083 246166 492332 615415 1230830 2461660 5292569 10585138 21170276 26462845 52925690 105851380