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109469990 = 2573161827
BaseRepresentation
bin1101000011001…
…10000100100110
321121222122121002
412201212010212
5211011014430
614510153302
72466323330
oct641460446
9247878532
10109469990
115687a473
12307b2832
13198ab056
1410778450
159925845
hex6866126

109469990 has 64 divisors (see below), whose sum is σ = 236556288. Its totient is φ = 35683200.

The previous prime is 109469947. The next prime is 109470007. The reversal of 109469990 is 99964901.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 131957 + ... + 132783.

It is an arithmetic number, because the mean of its divisors is an integer number (3696192).

Almost surely, 2109469990 is an apocalyptic number.

109469990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109469990 is an abundant number, since it is smaller than the sum of its proper divisors (127086298).

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

109469990 is a wasteful number, since it uses less digits than its factorization.

109469990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 109469990 is about 10462.7907367012. The cubic root of 109469990 is about 478.3712008396.

The spelling of 109469990 in words is "one hundred nine million, four hundred sixty-nine thousand, nine hundred ninety".

Divisors: 1 2 5 7 10 14 31 35 61 62 70 122 155 217 305 310 427 434 610 827 854 1085 1654 1891 2135 2170 3782 4135 4270 5789 8270 9455 11578 13237 18910 25637 26474 28945 50447 51274 57890 66185 100894 128185 132370 179459 252235 256370 353129 358918 504470 706258 897295 1563857 1765645 1794590 3127714 3531290 7819285 10946999 15638570 21893998 54734995 109469990