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108712734 = 231337139271
BaseRepresentation
bin1100111101011…
…01001100011110
321120120011211120
412132231030132
5210312301414
614442031410
72460020514
oct636551436
9246504746
10108712734
1156402539
12304a8566
13196a4480
141061c4b4
1598262a9
hex67ad31e

108712734 has 64 divisors (see below), whose sum is σ = 243102720. Its totient is φ = 32192640.

The previous prime is 108712733. The next prime is 108712777. The reversal of 108712734 is 437217801.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 108712695 and 108712704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108712733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401019 + ... + 401289.

It is an arithmetic number, because the mean of its divisors is an integer number (3798480).

Almost surely, 2108712734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108712734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121551360).

108712734 is an abundant number, since it is smaller than the sum of its proper divisors (134389986).

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

108712734 is a wasteful number, since it uses less digits than its factorization.

108712734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 108712734 is about 10426.5398862710. The cubic root of 108712734 is about 477.2656072094.

The spelling of 108712734 in words is "one hundred eight million, seven hundred twelve thousand, seven hundred thirty-four".

Divisors: 1 2 3 6 13 26 37 39 74 78 111 139 222 271 278 417 481 542 813 834 962 1443 1626 1807 2886 3523 3614 5143 5421 7046 10027 10286 10569 10842 15429 20054 21138 30081 30858 37669 60162 66859 75338 113007 130351 133718 200577 226014 260702 391053 401154 489697 782106 979394 1393753 1469091 2787506 2938182 4181259 8362518 18118789 36237578 54356367 108712734