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109413870 = 23517613517
BaseRepresentation
bin1101000010110…
…00010111101110
321121212210121120
412201120113232
5211002220440
614505041410
72466000606
oct641302756
9247783546
10109413870
1156841295
1230786266
131988b647
1410761c06
159913dd0
hex68585ee

109413870 has 64 divisors (see below), whose sum is σ = 282678336. Its totient is φ = 27002880.

The previous prime is 109413869. The next prime is 109413883. The reversal of 109413870 is 78314901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29352 + ... + 32868.

It is an arithmetic number, because the mean of its divisors is an integer number (4416849).

Almost surely, 2109413870 is an apocalyptic number.

109413870 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 109413870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141339168).

109413870 is an abundant number, since it is smaller than the sum of its proper divisors (173264466).

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

109413870 is a wasteful number, since it uses less digits than its factorization.

109413870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 109413870 is about 10460.1085080414. The cubic root of 109413870 is about 478.2894408958.

The spelling of 109413870 in words is "one hundred nine million, four hundred thirteen thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 61 85 102 122 170 183 255 305 366 510 610 915 1037 1830 2074 3111 3517 5185 6222 7034 10370 10551 15555 17585 21102 31110 35170 52755 59789 105510 119578 179367 214537 298945 358734 429074 597890 643611 896835 1072685 1287222 1793670 2145370 3218055 3647129 6436110 7294258 10941387 18235645 21882774 36471290 54706935 109413870