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109869212 = 22534211231
BaseRepresentation
bin1101000110001…
…11100010011100
321122201221020002
412203013202130
5211111303322
614522513432
72502605255
oct643074234
9248657202
10109869212
1157022402
1230965878
13199ba98b
141083db2c
1599a3c92
hex68c789c

109869212 has 24 divisors (see below), whose sum is σ = 196523712. Its totient is φ = 53726400.

The previous prime is 109869211. The next prime is 109869223. The reversal of 109869212 is 212968901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109869211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 88637 + ... + 89867.

It is an arithmetic number, because the mean of its divisors is an integer number (8188488).

Almost surely, 2109869212 is an apocalyptic number.

It is an amenable number.

109869212 is a deficient number, since it is larger than the sum of its proper divisors (86654500).

109869212 is a wasteful number, since it uses less digits than its factorization.

109869212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709 (or 1707 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 109869212 is about 10481.8515539956. The cubic root of 109869212 is about 478.9520133587.

The spelling of 109869212 in words is "one hundred nine million, eight hundred sixty-nine thousand, two hundred twelve".

Divisors: 1 2 4 53 106 212 421 842 1231 1684 2462 4924 22313 44626 65243 89252 130486 260972 518251 1036502 2073004 27467303 54934606 109869212