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108380000 = 25545419
BaseRepresentation
bin1100111010110…
…11111101100000
321112221021102002
412131123331200
5210221130000
614430543132
72454133451
oct635337540
9245837362
10108380000
11561a5553
1230367aa8
13195b8ba1
1410573128
1597ac8d5
hex675bf60

108380000 has 60 divisors (see below), whose sum is σ = 266680260. Its totient is φ = 43344000.

The previous prime is 108379967. The next prime is 108380003. The reversal of 108380000 is 83801.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108380003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17291 + ... + 22709.

It is an arithmetic number, because the mean of its divisors is an integer number (4444671).

Almost surely, 2108380000 is an apocalyptic number.

108380000 is a gapful number since it is divisible by the number (10) 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 108380000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133340130).

108380000 is an abundant number, since it is smaller than the sum of its proper divisors (158300260).

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

108380000 is an frugal number, since it uses more digits than its factorization.

108380000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5449 (or 5426 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 108380000 is about 10410.5715501119. The cubic root of 108380000 is about 476.7781918017.

The spelling of 108380000 in words is "one hundred eight million, three hundred eighty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 4000 5000 5419 10000 10838 20000 21676 27095 43352 54190 86704 108380 135475 173408 216760 270950 433520 541900 677375 867040 1083800 1354750 2167600 2709500 3386875 4335200 5419000 6773750 10838000 13547500 21676000 27095000 54190000 108380000