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109489696 = 2543471693
BaseRepresentation
bin1101000011010…
…10111000100000
321122000122121221
412201222320200
5211012132241
614510424424
72466434641
oct641527040
9248018557
10109489696
1156893258
1230802114
13198b7004
14107816c8
15992b5d1
hex686ae20

109489696 has 48 divisors (see below), whose sum is σ = 225396864. Its totient is φ = 52303104.

The previous prime is 109489687. The next prime is 109489717. The reversal of 109489696 is 696984901.

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 7 ways as a sum of consecutive naturals, for example, 63826 + ... + 65518.

It is an arithmetic number, because the mean of its divisors is an integer number (4695768).

Almost surely, 2109489696 is an apocalyptic number.

109489696 is a gapful number since it is divisible by the number (16) 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 109489696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112698432).

109489696 is an abundant number, since it is smaller than the sum of its proper divisors (115907168).

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

109489696 is a wasteful number, since it uses less digits than its factorization.

109489696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 109489696 is about 10463.7324124807. The cubic root of 109489696 is about 478.3999034313.

The spelling of 109489696 in words is "one hundred nine million, four hundred eighty-nine thousand, six hundred ninety-six".

Divisors: 1 2 4 8 16 32 43 47 86 94 172 188 344 376 688 752 1376 1504 1693 2021 3386 4042 6772 8084 13544 16168 27088 32336 54176 64672 72799 79571 145598 159142 291196 318284 582392 636568 1164784 1273136 2329568 2546272 3421553 6843106 13686212 27372424 54744848 109489696