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109372680 = 2334533757
BaseRepresentation
bin1101000010011…
…10010100001000
321121210201010000
412201032110020
5210444411210
614504123000
72465436534
oct641162410
9247721100
10109372680
115681334a
1230766460
1319875981
1410750bc4
159906ac0
hex684e508

109372680 has 80 divisors (see below), whose sum is σ = 367624620. Its totient is φ = 29165184.

The previous prime is 109372673. The next prime is 109372687. The reversal of 109372680 is 86273901.

It is an interprime number because it is at equal distance from previous prime (109372673) and next prime (109372687).

It can be written as a sum of positive squares in 2 ways, for example, as 109369764 + 2916 = 10458^2 + 54^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (109372687) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13639 + ... + 20118.

Almost surely, 2109372680 is an apocalyptic number.

109372680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109372680 is an abundant number, since it is smaller than the sum of its proper divisors (258251940).

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

109372680 is a wasteful number, since it uses less digits than its factorization.

109372680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33780 (or 33767 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 109372680 is about 10458.1394138728. The cubic root of 109372680 is about 478.2294143356.

The spelling of 109372680 in words is "one hundred nine million, three hundred seventy-two thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 81 90 108 120 135 162 180 216 270 324 360 405 540 648 810 1080 1620 3240 33757 67514 101271 135028 168785 202542 270056 303813 337570 405084 506355 607626 675140 810168 911439 1012710 1215252 1350280 1519065 1822878 2025420 2430504 2734317 3038130 3645756 4050840 4557195 5468634 6076260 7291512 9114390 10937268 12152520 13671585 18228780 21874536 27343170 36457560 54686340 109372680