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106212392 = 231113227409
BaseRepresentation
bin1100101010010…
…10110000101000
321101212011000022
412111022300220
5204142244032
614312300012
72426535056
oct625126050
9241764008
10106212392
1154a54a40
122b6a1608
131900a390
141016b1d6
1594d0512
hex654ac28

106212392 has 64 divisors (see below), whose sum is σ = 235569600. Its totient is φ = 44259840.

The previous prime is 106212391. The next prime is 106212443. The reversal of 106212392 is 293212601.

It is a super-2 number, since 2×1062123922 = 22562144428723328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (106212391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259484 + ... + 259892.

It is an arithmetic number, because the mean of its divisors is an integer number (3680775).

Almost surely, 2106212392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 106212392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117784800).

106212392 is an abundant number, since it is smaller than the sum of its proper divisors (129357208).

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

106212392 is a wasteful number, since it uses less digits than its factorization.

106212392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 106212392 is about 10305.9396466310. The cubic root of 106212392 is about 473.5782298590.

Adding to 106212392 its reverse (293212601), we get a palindrome (399424993).

The spelling of 106212392 in words is "one hundred six million, two hundred twelve thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 227 286 409 454 572 818 908 1144 1636 1816 2497 2951 3272 4499 4994 5317 5902 8998 9988 10634 11804 17996 19976 21268 23608 32461 35992 42536 58487 64922 92843 116974 129844 185686 233948 259688 371372 467896 742744 1021273 1206959 2042546 2413918 4085092 4827836 8170184 9655672 13276549 26553098 53106196 106212392