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109313910 = 232517371931
BaseRepresentation
bin1101000001111…
…11111101110110
321121200201111100
412200333331312
5210441021120
614502550530
72465103306
oct640777566
9247621440
10109313910
1156783182
1230738446
1319854cb4
1410737606
1598e4490
hex683ff76

109313910 has 96 divisors (see below), whose sum is σ = 309228192. Its totient is φ = 26680320.

The previous prime is 109313903. The next prime is 109313929. The reversal of 109313910 is 19313901.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55645 + ... + 57575.

It is an arithmetic number, because the mean of its divisors is an integer number (3221127).

Almost surely, 2109313910 is an apocalyptic number.

109313910 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 109313910, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154614096).

109313910 is an abundant number, since it is smaller than the sum of its proper divisors (199914282).

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

109313910 is a wasteful number, since it uses less digits than its factorization.

109313910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 27.

The square root of 109313910 is about 10455.3292631079. The cubic root of 109313910 is about 478.1437421847.

Subtracting from 109313910 its reverse (19313901), we obtain a palindrome (90000009).

It can be divided in two parts, 10931 and 3910, that added together give a palindrome (14841).

The spelling of 109313910 in words is "one hundred nine million, three hundred thirteen thousand, nine hundred ten".

Divisors: 1 2 3 5 6 9 10 15 17 18 30 34 37 45 51 74 85 90 102 111 153 170 185 222 255 306 333 370 510 555 629 666 765 1110 1258 1530 1665 1887 1931 3145 3330 3774 3862 5661 5793 6290 9435 9655 11322 11586 17379 18870 19310 28305 28965 32827 34758 56610 57930 65654 71447 86895 98481 142894 164135 173790 196962 214341 295443 328270 357235 428682 492405 590886 643023 714470 984810 1071705 1214599 1286046 1477215 2143410 2429198 2954430 3215115 3643797 6072995 6430230 7287594 10931391 12145990 18218985 21862782 36437970 54656955 109313910