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109792869 = 3232954869
BaseRepresentation
bin1101000101101…
…00111001100101
321122121001111120
412202310321211
5211101332434
614521124153
72502136554
oct642647145
9248531446
10109792869
1156a8000a
1230929659
1319991cc4
141081dd9b
15998b349
hex68b4e65

109792869 has 16 divisors (see below), whose sum is σ = 158025600. Its totient is φ = 67597376.

The previous prime is 109792831. The next prime is 109792871. The reversal of 109792869 is 968297901.

109792869 = T207 + T208 + ... + T873.

It is a happy number.

It is not a de Polignac number, because 109792869 - 212 = 109788773 is a prime.

It is a super-2 number, since 2×1097928692 = 24108948166502322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109792829) 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, 25434 + ... + 29435.

It is an arithmetic number, because the mean of its divisors is an integer number (9876600).

Almost surely, 2109792869 is an apocalyptic number.

It is an amenable number.

109792869 is a deficient number, since it is larger than the sum of its proper divisors (48232731).

109792869 is a wasteful number, since it uses less digits than its factorization.

109792869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54924.

The product of its (nonzero) digits is 489888, while the sum is 51.

The square root of 109792869 is about 10478.2092458588. The cubic root of 109792869 is about 478.8410538364.

The spelling of 109792869 in words is "one hundred nine million, seven hundred ninety-two thousand, eight hundred sixty-nine".

Divisors: 1 3 23 29 69 87 667 2001 54869 164607 1261987 1591201 3785961 4773603 36597623 109792869