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106165188 = 22331815431
BaseRepresentation
bin1100101001111…
…11001111000100
321101202202021000
412110333033010
5204134241223
614311253300
72426250333
oct624771704
9241682230
10106165188
1154a22528
122b67a230
1318cc1a4c
1410157d1a
1594c1543
hex653f3c4

106165188 has 48 divisors (see below), whose sum is σ = 276814720. Its totient is φ = 35186400.

The previous prime is 106165181. The next prime is 106165211. The reversal of 106165188 is 881561601.

It is a super-2 number, since 2×1061651882 = 22542094286150688, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (106165181) 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, 16833 + ... + 22263.

Almost surely, 2106165188 is an apocalyptic number.

106165188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106165188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138407360).

106165188 is an abundant number, since it is smaller than the sum of its proper divisors (170649532).

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

106165188 is a wasteful number, since it uses less digits than its factorization.

106165188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5625 (or 5617 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 106165188 is about 10303.6492564528. The cubic root of 106165188 is about 473.5080619659.

The spelling of 106165188 in words is "one hundred six million, one hundred sixty-five thousand, one hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 181 362 543 724 1086 1629 2172 3258 4887 5431 6516 9774 10862 16293 19548 21724 32586 48879 65172 97758 146637 195516 293274 586548 983011 1966022 2949033 3932044 5898066 8847099 11796132 17694198 26541297 35388396 53082594 106165188